Reducing stress and anxiety in patients with myocardial infarction with non-obstructive coronary arteries or Takotsubo syndrome: A non-randomized feasibility study oleh Elisabet Rondung, Sophia Monica Humphries, Erik Martin Gustaf Olsson, Runa Sundelin, Fredrika Norlund, Claes Held, Jonas Spaak, Per Tornvall, Patrik Lyngå