1. Stanford University; Department of Medicine; 215 Brookwood Rd Woodside CA USA 94062
2. Santa Clara Valley Medical Center; Department of Medicine; 751 S. Bascom Avenue San Jose CA USA 95128
3. (Deceased), Cornell University; Ithaca NY USA
4. University of Tasmania; Menzies Research Institute Tasmania; Department of Respiratory Medicine GPO Box 1061 Hobart Tasmania Australia 7001