Kraepelin had retired from these positions in 1922 in order to devote his energies to the German Research Institute for Psychiatry , an independent multidisciplinary institute in Munich that he had founded in 1917 .
Which had begun formal research activities in April 1918 .
Kraepelin had retired from these positions in 1922 in order to devote his energies to the German Research Institute for Psychiatry , an independent multidisciplinary institute in Munich that he had founded in 1917 and which had begun formal research activities in April 1918 .