For this tournament , the participating nations were increased from the standard 12 ( as in the 5 previous editions ) to 16 .
Each squad could consist of 18 players instead of the normal 16 after the FIH considered the hot and humid conditions in Malaysia .
For this tournament , the participating nations were increased from the standard 12 ( as in the 5 previous editions ) to 16 and each squad could consist of 18 players instead of the normal 16 after the FIH considered the hot and humid conditions in Malaysia .