They will have to undergo a one-month rehabilitation programme, says Bukit Aman's Ayob Khan.
As ordered by the US president, the withdrawal will depend on the situation on the ground, says US Army General Joseph Votel.
Israel warns Syrian armed forces not to attack Israeli forces or territory.
'We will not discuss specific timelines, locations or troop movements,' says army spokesperson.
US-backed forces still retaking territory from IS, two weeks after Washington announced withdrawal.
However, it is unclear what the Pentagon will ultimately recommend to the White House.
Erdogan's aide dismisses concerns the withdrawal from Syria would allow IS to regain territory.
Brett McGurk objects to Trump decision, with his resignation also said to be influenced by Mattis' exit.
In joint communique, Putin, Merkel, Erdogan and Macron also call for a constitutional committee by year-end.
Jumpei Yasuda was reported to have been captured by an al-Qaeda affiliate after entering Syria.
It disappeared from radar screens at the same time Israeli and French forces were mounting aerial attacks.
Russia's Defence Ministry also reports losing contact with an aircraft with 14 servicemen on board.
Jihadist fighters stormed several villages and staged suicide blasts in the provincial capital Sweida.
He and Hassan Rouhani agree that the strikes have damaged chances of political resolution in the Syria conflict.
It also expresses concern over joint air strikes, and calls for ‘political’ resolution to conflict.
US says it has successfully struck the heart of Syria’s chemical weapons program.
Trump, May and Macron confirm Damascus pounded with air strikes in response to chemical attack.
Worries about a confrontation between Russia and the West have been running high.