“Safety of nintedanib added to pirfenidone treatment for idiopathic pulmonary fibrosis.” Kevin R. Flaherty, Charlene D. Fell, J. Terrill Huggins, Hilario Nunes, Robert Sussman, Claudia Valenzuela, Ute Petzinger, John L. Stauffer, Frank Gilberg, Monica Bengus and Marlies Wijsenbeek. Eur Respir J 2018; 52: 1800230.

This article from the August 2018 issue of the European Respiratory Journal was originally published in a form omitting an acknowledgement of additional investigators involved with the study. The article has been corrected and republished online, with the following list of investigators added.

List of investigators: Charlene D. Fell (Calgary, Canada), Shane Shapera (Toronto, Canada), Saher B. Shaker (Hellerup, Denmark), Vincent Cottin (Bron, France), Stephane Jouneau (Rennes, France), Hilario Nunes (Bobigny, France), Francesco Tommaso Bonella (Essen, Germany), Dirk Koschel (Coswig, Germany), Philipp Markart (Fulda, Germany), Carlo Albera (Orbassano, Italy), Alberto Pesci (Monza, Italy), Paola Rottoli (Siena, Italy), Laura Tavanti (Cisanello, Italy), Marcel Veltkamp (Nieuwegein, The Netherlands), Marlies Wijsenbeek (Rotterdam, The Netherlands), Orlando Acosta (La Laguna, Spain), Elena Bollo (León, Spain), Alvaro Casanova Espinosa (Madrid, Spain), Juan Gustavo (Valencia, Spain), Maria Molina-Molina (Barcelona, Spain), Jose A. Rodriguez-Portal (Seville, Spain), Claudia Valenzuela (Madrid, Spain), John Belperio (Los Angeles, CA, USA), John Butler (Portland, OR, USA), Sakshi Dua (New York, NY, USA), Kevin R. Flaherty (Ann Arbor, MI, USA), Todd Horiuchi (Sarasota, FL, USA), J. Terrill Huggins (Charleston, SC, USA), Gaurav Khanna (Cincinnati, OH, USA), Christopher King (Falls Church, VA, USA), Andrew Labelle (Chesterfield, MO, USA), Lisa H. Lancaster (Nashville, TN, USA), Joshua Mooney (Stanford, CA, USA), Lee Morrow (Omaha, NE, USA), Nina Patel (New York, NY, USA), Murali Ramaswamy (Greensboro, NC, USA), Robert Sussman (Springfield, NJ, USA), Joseph Zibrak (Boston, MA, USA).