Jeff Wasserman, a recovering gambling addict poses at the Delaware Council on Gambling Problems in Wilmington, Delaware, U.S., October 23, 2018. Picture taken October 23, 2018. REUTERS/Mike Wood 

Instructor Daisuke Sato performs a turnover of a deck of cards on a black jack table at Japan Casino School in Tokyo, Japan August 4, 2018. Picture taken August 4, 2018. REUTERS/Toru Hanai 

Instructor Daisuke Sato spreads a deck of cards on a black jack table at Japan Casino School in Tokyo, Japan August 4, 2018. Picture taken August 4, 2018. REUTERS/Toru Hanai 

A ball is seen in the spinning wheel on a roulette table at Japan Casino School in Tokyo, Japan August 4, 2018. Picture taken August 4, 2018. REUTERS/Toru Hanai 

A man stacks chips on a black jack table at Japan Casino School in Tokyo, Japan August 4, 2018. Picture taken August 4, 2018. REUTERS/Toru Hanai 

A man walks past a World Cup anti-gambling advertisement at a taxi stand in Singapore July 9, 2014. Singapore has scored an own goal with the World Cup anti-gambling ad which features a crestfallen boy telling his friends his dad bet his life savings on Germany - who have just reached the finals by thrashing host nation Brazil 7-1. REUTERS/Edgar Su (SINGAPORE - Tags: SOCIETY SPORT SOCCER WORLD CUP) 

A young croupier trainee turns the roulette at a gaming table at the Cerus Casino Academy in Marseille November 6, 2013. Cerus Academy is the only school in France authorized to issue the official croupier certificate. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: SOCIETY BUSINESS EMPLOYMENT) 

A man poses at a slot machine in a bar in the northern city of Hamburg February 9, 2011. German officials plan to remove the slot machines from bars and restaurants, saying they represent a source of addiction for gambling, German media reported on Wednesday. REUTERS/Morris Mac Matzen (GERMANY) 

A man poses at a slot machine in a bar in the northern city of Hamburg February 9, 2011. German officials plan to remove the slot machines from bars and restaurants, saying they represent a source of addiction for gambling, German media reported on Wednesday. REUTERS/Morris Mac Matzen (GERMANY) 

A slot machine is seen in a bar in the northern city of Hamburg February 9, 2011. German officials plan to remove the slot machines from bars and restaurants, saying they represent a source of addiction for gambling, German media reported on Wednesday. REUTERS/Morris Mac Matzen (GERMANY) 

Patrons have their identity cards scanned before entering Resorts World Casino in Singapore July 15, 2010. Singapore citizens and permanent residents are required by law to pay a S$100 ($73) entry levy to enter the casino, as part of a government campaign to warn of the dangers of gambling addiction. REUTERS/Tim Chong (SINGAPORE - Tags: BUSINESS SOCIETY) 

A police officer stands at the entrance of the Marina Bay Sands casino in Singapore April 27, 2010. Las Vegas Sands, the world's most valuable gaming company, opened the doors to its multi-billion-dollar Singapore casino today, the latest entrant in the fight for Asia's gambling dollar. Singaporeans have to pay an admission fee equivalent to about $70 as part of a government campaign to warn of the dangers of gambling addiction. REUTERS/Pablo Sanchez (SINGAPORE - Tags: BUSINESS SOCIETY TRAVEL) 

A drunken man sits in front of a gambling hall at the redlight district 'Reeperbahn' in Hamburg May 14, 2009. The slogan reads 'play and win'. Picture taken May 14, 2009. REUTERS/Christian Charisius (GERMANY SOCIETY) 

Cards and casino chips are displayed during the Global Gaming Expo Asia at the Venetian Macao-Resort-Hotel in Macau June 4, 2008. REUTERS/Victor Fraile (CHINA) 

Graham Calvert arrives at the High Court in London February 20, 2008. Calvert, a gambling addict who says he told bookmakers to stop taking his bets is suing William Hill for allowing him to lose 2 million pounds ($3.9 million). REUTERS/Luke MacGregor (BRITAIN) 

Graham Calvert arrives at the High Court in London February 20, 2008. Calvert, a gambling addict who says he told bookmakers to stop taking his bets is suing William Hill for allowing him to lose 2 million pounds ($3.9 million). REUTERS/Luke MacGregor (BRITAIN) 

Real Madrid and England striker Michael Owen holds up a copy of his autobiography 'Off The Record' during a launching ceremony in Madrid August 23, 2004. In his autobiography, Owen is forthright in his views on the game: he reacts to the accusations of diving, his susceptibility to injury, and his alleged gambling addiction. REUTERS/Sergio Perez SP/GB 

Real Madrid and England striker Michael Owen holds up a copy of his autobiography 'Off The Record' during a launching ceremony in Madrid August 23, 2004. In his autobiography, Owen is forthright in his views on the game: he reacts to the accusations of diving, his susceptibility to injury, and his alleged gambling addiction. REUTERS/Sergio Perez SP/GB 

Real Madrid and England striker Michael Owen holds up a copy of his autobiography 'Off The Record' during a launching ceremony in Madrid August 23, 2004. In his autobiography, Owen is forthright in his views on the game: he reacts to the accusations of diving, his susceptibility to injury, and his alleged gambling addiction. REUTERS/Sergio Perez SP/GB 

Real Madrid and England striker Michael Owen holds up a copy of his autobiography 'Off The Record' during a launching ceremony in Madrid August 23, 2004. In his autobiography, Owen is forthright in his views on the game: he reacts to the accusations of diving, his susceptibility to injury, and his alleged gambling addiction. REUTERS/Sergio Perez SP/GB 

Real Madrid and England striker Michael Owen holds up a copy of his autobiography 'Off The Record' during a launching ceremony in Madrid August 23, 2004. In his autobiography, Owen is forthright in his views on the game: he reacts to the accusations of diving, his susceptibility to injury, and his alleged gambling addiction. REUTERS/Sergio Perez SP/GB 

A patron enters a 24-hour gaming business which is attached to a
suburban pub in the Sydney suburb of Surry Hills in this photograph
taken on October3, 2002. While industry advocates promote gambling as
good, clean entertainment, the nation has begun to grapple with the
most obvious side-effect - the addiction of about two percent of
adults, or 300,000 people, to the money-losing games. REUTERS/Tim
Wimborne FOR RELEASE WITH FEATURE BC-AUSTRALIAN GAMBLING

TBW 

- PHOTO TAKEN 03OCT02 - A patron leaves a 24-hour gaming business which is attached to a suburban pub in the Sydney suburb of Surry Hills in this photograph taken October 3, 2002. While industry advocates promote gambling as good, clean entertainment, the nation has begun to grapple with the most obvious side-effect, the addiction of about two percent of adults, or 300,000 people, to the money-losing games. 

- PHOTO TAKEN 03OCT02 - A patron enters a 24-hour gaming business which is attached to a suburban pub in the Sydney suburb of Surry Hills in this photograph taken on October3, 2002. While industry advocates promote gambling as good, clean entertainment, the nation has begun to grapple with the most obvious side-effect , the addiction of about two percent of adults, or 300,000 people, to the money-losing games. 

A patron leaves a 24-hour gaming business which is attached to a
suburban pub in the Sydney suburb of Surry Hills in this photograph
taken October 3, 2002. While industry advocates promote gambling as
good, clean entertainment, the nation has begun to grapple with the
most obvious side-effect - the addiction of about two percent of
adults, or 300,000 people, to the money-losing games. REUTERS/Tim
Wimborne FOR RELEASE WITH FEATURE BC-AUSTRALIAN GAMBLING

TBW