[1] Stanford Univ, Palo Alto, CA USA
[2] Hosp Valle De Hebron, Pulmonol Serv, Barcelona, Spain
[3] CareDx, Med Affairs, Brisbane, CA USA
[4] UT Hlth, McGovern Sch Med, Houston, TX USA
[5] Vall Hebron Res Inst, Barcelona, Spain
[6] Hosp Vall Hebron Res Inst, Barcelona, Spain