Bulterys, Philip L; Bulterys, Michelle A; Phommasone, Koukeo; Luangraj, Manophab; Mayxay, Mayfong; Kloprogge, Sabine; Miliya, Thyl; Vongsouvath, Manivanh; Newton, Paul N; Phetsouvanh, Rattanaphone; French, Christopher T; Miller, Jeff F; Turner, Paul; Dance, David A B