Affiliations

• ¹ Dept of Pulmonary, Allergy, Sleep and Critical Care Medicine, Boston University School of Medicine, Boston, MA, USA.
• ² The Sarcoidosis Clinic at Boston Medical Center, Boston, MA, USA.
• ³ Slone Epidemiology Center at Boston University, Boston University School of Medicine, Boston, MA, USA yvettec@bu.edu.
• ⁴ Dept of Epidemiology, Boston University School of Public Health, Boston, MA, USA.