[1] Royal Natl Lifeboat Inst, Int Dept, Poole, England
[2] Univ Cape Town, Fac Hlth Sci, Dept Biol, Cape Town, South Africa
[3] Panje Project, Nungwi, Zanzibar, Tanzania
[4] Univ Southern Queensland, Toowoomba, Qld, Australia
[5] Royal Lifesaving Soc Commonwealth, Worcester, England
[6] Int Drowning Res Ctr Bangladesh IDRC B, Ctr Injury Prevent & Res Bangladesh, Dhaka, Bangladesh
[7] Univ New South Wales, Sch Populat Hlth, Sydney, NSW, Australia