| Authors: |
Vinnikov D; Department of Internal Medicine, Occupational Diseases and Hematology, Kyrgyz State Medical Academy, Bishkek, Kyrgyzstan. denisvinnikov@mail.ru.; School of Public Health, Al-Farabi Kazakh National University, Almaty, Kazakhstan. denisvinnikov@mail.ru., Blanc PD; Division of Occupational and Environmental Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA.; SF Veterans Affairs Medical Center, San Francisco, CA, USA., Alilin A; Pulmonary, Critical Care and Sleep Medicine Section, VA Palo Alto Health Care System, Palo Alto, CA, USA., Zutler M; Starling Physicians, New Britain, CT, USA., Holty JC; Pulmonary, Critical Care and Sleep Medicine Section, VA Palo Alto Health Care System, Palo Alto, CA, USA.; Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Palo Alto, CA, USA.; Center for Health Policy (CHP/PCOR), Stanford University, Palo Alto, CA, USA. |