FRONT PSYCHIATRY 2020 10.3389/fpsyt.2020.00444 Comparisons Between Successful Versus Unsuccessful Switches From Benzodiazepines or Zolpidem (Z-Drug) to Controlled-Release Melatonin in Patients With Major Depressive Disorder and Insomnia An1, JH; Park, MJ; Fava, M; Mischoulon, D; Kim, H; Jang, J; Hong, JP; Park, JS; Jeon, HJ