Volanthen and another British diver, Richard Stanton, were the first rescuers to locate the boys and their coach in the Tham Luang Nang Non Cave in northern Thailand.
Ewan McGregor, a British missionary in the city of Chiang Rai where the boys are now in hospital, said: "It really is a miracle and a result of prayer and I'm just excited to hear the testimonies of the boys when they're safe and well".
Mr Shorten said he wanted to congratulate Adelaide anaesthetist Richard "Harry" Harris and all the others who worked on the rescue.
At one point they had to go through a gap so small that diving gear had to be taken off to get through.
"Make the most of your lives".
The complex mission for the rescuers from Thailand, the U.S., Britain, Australia and other countries to guide the boys and coach through the cave's flooded passageways riveted people worldwide.
Dr Harris was the last person to come out of the cave.
Sadly, soon after Dr Harris left the cave his father passed away suddenly.
The Nation newspaper called the operation a "Triumph of global cooperation" on its front page Thursday while the Bangkok Post published a collage of images of those involved under the heading "You Are Heroes".
He and Craig Challen were among 20 Australians involved in the Thai-led rescue effort.
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The general, symptoms include headache, fever, tiredness and aches and pains, as well as diarrhoea, nausea and abdominal cramps. Whole genome sequencing was used to identify the food source, which initially was thought to be limited to frozen corn.
"(The Australians) have been a big help, especially the doctor", Mr Osotanakorn told 9NEWS reporter Ben Avery. "He's got a very good bedside manner".
But Chaiyananta, whose job was to help transfer the kids along between chambers two and three, said they were all "sleeping" on the harrowing journey out.
Doctors have put the 12 boys, aged 11 to 16, and their 25-year-old football coach in quarantine while they are being tested for infectious diseases they may have contracted inside the Tham Luang cave complex.
The boys had earlier received an invitation to come watch the World Cup final in Russian Federation, but doctors said they could not go as they were still confined to their hospital beds. Thongchai said no one is blaming the coach, the last to be evacuated from the cave, for his decision to take the boys inside for a hike after soccer practice.
The 12 Thai schoolboys rescued from a cave this week were reportedly given a "small sedative" before they embarked on a rescue mission that continues to grab worldwide headlines.
Two of the four rescued Monday have mild fevers.
The rescue mission began after the youth soccer team became trapped when heavy rainfall flooded the cave system on June 23.
Another video released on Facebook by the Thai Navy SEALs, who were central to the rescue, showed one of the boys being carried through part of the muddy cave on a stretcher covered by an emergency thermal blanket.
But according to Los Angeles-based Ivanhoe Pictures, they have been officially picked by the Thai government and navy to develop the film.