Affiliation
1, Clinical Research Unit, Khoo Teck Puat Hospital, Singapore 768828; 2, University of Poitiers, INSERM, CHU Poitiers Clinical Investigation Center CIC 1402, Poitiers, France; 3, L’institut du thorax, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France; 4, Saw Swee Hock School of Public Heath, National University of Singapore, Singapore 117549; 5, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232