1. School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
2. Department of Laboratory Medicine, Tan Tock Seng Hospital, Singapore 308433, Singapore
3. National Center for Infectious Disease, Tan Tock Seng Hospital, Singapore 308442, Singapore
4. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore