[1] Cleveland Clin, Resp Inst, Cleveland, OH 44106 USA
[2] Georgetown Univ, Med Ctr, Oncol, Washington, DC 20007 USA
[3] Al Quds Univ, Internal Med, Jerusalem, Israel
[4] Cleveland Clin, Fairview Hosp, Internal Med, Cleveland, OH 44106 USA
[5] An Najah Natl Univ, Internal Med, Nablus, Israel
[6] Waterbury Hosp & Hlth Ctr, Internal Med, Waterbury, CT USA
[7] St Mary Hosp, Internal Med, Langhorne, PA USA