1 Department of Medicine, Infectious Diseases Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
2 Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University School of Medicine, Stanford, CA, USA. Electronic address: mholubar@stanford.edu.
3 Control of Antimicrobial Resistance, Communicable Disease and Health Security, WHO Regional Office for Europe, Copenhagen, Denmark.
4 Department of Medicine, Division of Infectious Diseases and Geographic Medicine, Stanford University School of Medicine, Stanford, CA, USA.