About the Authors

Nakul Saxena

Affiliation Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Mikael Hartman

mikael_hartman@nuhs.edu.sg

Affiliations Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore, Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore

Cheng-Har Yip

Affiliation Department of Surgery, Faculty of Medicine, University of Malaya, Lembah Pantai, Kuala Lumpur, Malaysia

Nirmala Bhoo-Pathy

Affiliation National Clinical Research Centre, Level 3, Dermatology Block, Hospital Kuala Lumpur, Jalan Pahang, Kuala Lumpur, Malaysia

Lay Wai Khin

Affiliation Investigational Medicine Unit, National University Health Systems, National University of Singapore, Singapore, Singapore

Nur Aishah Taib

Affiliation Department of Surgery, Faculty of Medicine, University of Malaya, Lembah Pantai, Kuala Lumpur, Malaysia

Lai-Meng Looi

Affiliation Department of Pathology, Faculty of Medicine, University of Malaya, Lembah Pantai, Kuala Lumpur, Malaysia

Siew-Eng Lim

Affiliation Department of Hematology Oncology, National University Cancer Institute, National University Health System, Singapore, Singapore, Singapore

Soo-Chin Lee

Affiliation Department of Hematology Oncology, National University Cancer Institute, National University Health System, Singapore, Singapore, Singapore

Helena M. Verkooijen

Affiliations Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore, Imaging Division, University Medical Center Utrecht, Utrecht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH HMV. Performed the experiments: NS. Analyzed the data: NS MH NBP HMV LWK. Contributed reagents/materials/analysis tools: CHY NBP NAT SCL SEL LML NS. Wrote the paper: NS MH CHY NBP NAT SCL SEL LML LWK HMV.