Corrigendum: Comparison and Outcome Analysis of Patients with Takotsubo Cardiomyopathy Triggered by Emotional Stress or Physical Stress - Giannakopoulos, Konstantinos; El-Battrawy, Ibrahim; Schramm, Katja; Ansari, Uzair; Hoffmann, Ursula; Borggrefe, Martin; Akin, Ibrahim (Frontiers in Psychology, 2017)