Corrigendum: Nerve Growth Factor Serum Levels Are Associated With Regional Gray Matter Volume Differences in Schizophrenia Patients - Neugebauer, Kristina; Hammans, Christine; Wensing, Tobias; Kumar, Vinod; Grodd, Wolfgang; Mevissen, Lea; Sternkopf, Melanie A.; Novakovic, Ana; Abel, Ted; Habel, Ute; Nickl-Jockschat, Thomas (Frontiers in Psychiatry, 2019)