Department of Public Health Sciences New Mexico State University Las Cruces New Mexico USA.; School of Population Health University of Toledo Toledo Ohio USA.

From the Nuffield Department of Medicine (P.H.), Nuffield Department of Population Health (J.R.E., M.M., J.L.B., L.L., N.S., E.J., R.H., M.J.L.), and MRC Population Health Research Unit (J.R.E., N.S., R.H., M.J.L.), University of Oxford, the Oxford University Hospitals NHS Foundation Trust (K.J.), and National Institute for Health Research (NIHR) Oxford Biomedical Research Centre (M.J.L.), Oxford, the Respiratory Medicine Department, Nottingham University Hospitals NHS Trust (W.S.L.), and the School of Medicine, University of Nottingham (A.M.), Nottingham, the Institute for Lung Health, Leicester NIHR Biomedical Research Centre, University of Leicester, Leicester (C.B.), the Regional Infectious Diseases Unit, North Manchester General Hospital and University of Manchester (A.U.), and the University of Manchester and Manchester University NHS Foundation Trust (T.F.), Manchester, the Research and Development Department, Northampton General Hospital, Northampton (E.E.), the Department of Respiratory Medicine, North Tees and Hartlepool NHS Foundation Trust, Stockton-on-Tees (B.P.), University Hospitals Birmingham NHS Foundation Trust and Institute of Microbiology and Infection, University of Birmingham, Birmingham (C.G.), the Centre for Clinical Infection, James Cook University Hospital, Middlesbrough (D.C.), the North West Anglia NHS Foundation Trust, Peterborough (K. Rege), the Department of Research and Development, Cardiff and Vale University Health Board, Cardiff (C.F.), the School of Life Course Sciences, King's College London (L.C.C.), and the Intensive Care National Audit and Research Centre (K. Rowan), London, the NIHR Southampton Clinical Research Facility and Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton (S.N.F.), the Department of Mathematics and Statistics, Lancaster University, Lancaster (T.J.), the MRC Biostatistics Unit, University of Cambridge, Cambridge (T.J.), and Roslin Institute, University of Edinburgh, Edinburgh (J.K.B.) - all in the United Kingdom.

From the Department of Family Medicine and Community Health, University of Wisconsin; and University of Wisconsin School of Medicine and Public Health. Jennifer.edgoose@fammed.wisc.edu.

[Cai, Xin; Yuan, Bo] Shenzhen Samii Med Ctr, Dept Neurol, 1 Jinniu West Rd, Shenzhen, Peoples R China; [Hu, Xiaopeng; Ekumi, Ivo Otte; Wang, Jianchun; An, Yawen; Li, Zhiwen] Shenzhen Samii Med Ctr, Dept Sci & Educ, Shenzhen, Peoples R China

Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Kolkata, West Bengal, India; Institute for Skeletal Aging and Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon-si, Gangwon-do, Korea. Electronic address: drchiranjib@yahoo.com.; Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Kolkata, West Bengal, India.; Neuropsychopharmacology and Toxicology Program, College of Pharmacy, Kangwon National University, Republic of Korea.; Institute for Skeletal Aging and Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon-si, Gangwon-do, Korea.; Institute for Skeletal Aging and Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon-si, Gangwon-do, Korea. Electronic address: 23sslee@gmail.com.

Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. dbertsim@mit.edu.; Operations Research Center, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. dbertsim@mit.edu.; Operations Research Center, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.; Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA 02142, USA.; Benefits Science Technologies, Boston, MA 02110, USA.; London Business School, London, NW1 4SA, UK.; Operations Research and Financial EngineeringPrinceton University, Princeton, NJ, 08544, USA.

Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh. India.

Rabih Torbay is president and CEO of Project HOPE, in Bethesda, Maryland.

[Hossri, Sami; El-Sayegh, Dany] Northwell Hlth, Dept Pulm & Crit Care Med, Staten Isl Univ Hosp, Staten Isl, NY USA; [Shadi, Mahmoud; Hamarsha, Zaid; Schneider, Rick] Northwell Hlth, Dept Med, Staten Isl Univ Hosp, Staten Isl, NY 10305 USA

Department of Biostatistics, Christian Medical College, Vellore, Tamil Nadu, 632 002, India.; Health Systems and Policy, Health Systems Research India Initiative (HSRII), Trivandrum, India.