[1] Univ Pittsburgh, Sch Med, Dorothy P & Richard P Simmons Ctr Interstitial Lu, Div Pulm Allergy & Crit Care Med, Pittsburgh, PA 15260 USA
[2] Univ Pittsburgh, Sch Med, Lung Translat Genom Ctr, Div Pulm Allergy & Crit Care Med, Pittsburgh, PA USA
[3] Chaim Sheba Med Ctr, Multiple Sclerosis Ctr, IL-52621 Tel Hashomer, Israel
[4] Tel Aviv Univ, Sackler Sch Med, IL-69978 Tel Aviv, Israel