1. From Vanderbilt University Medical Center (L. Horn) and Sarah Cannon Research Institute–Tennessee Oncology (M.L.J.), Nashville; Mayo Clinic, Rochester, MN (A.S.M.); Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy, Otwock (A. Szczęsna), and Centrum Onkologii–Instytut im. Marii Skłodowskiej-Curie w Warszawie, Warsaw (M.K.) — both in Poland; Thomayerova Nemocnice, Pneumologická Klinika 1.LF UK, Prague, Czech Republic (L. Havel); the Department of Respiratory and Critical Care Medicine (M.J.H.) and the...