1. Experimental Therapeutics Centre, Agency for Science; Technology and Research (A*STAR); 31 Biopolis Way, Nanos #03-01 138669 Singapore
2. Department of Laboratory Medicine; Tan Tock Seng Hospital; 11 Jalan Tan Tock Seng 308433 Singapore
3. Department of Laboratory Medicine; National University Hospital; 5 Lower Kent Ridge Road 119074 Singapore