About the Authors
Geriatrics Department, University of Bern, Inselspital University Hospital, Bern, Switzerland
Department of HIV and AIDS, Ministry of Health, Lilongwe, Malawi
Institute of Social and Preventive Medicine (ISPM), University of Bern, Switzerland
School of Public Health & Family Medicine, University of Cape Town, Cape Town, South Africa
The authors have declared that no competing interests exist.
Wrote the first draft of the manuscript: AES ME. Contributed to the writing of the manuscript: AES LT ME. ICMJE criteria for authorship read and met: AES LT ME. Agree with manuscript results and conclusions: AES LT ME.