Published on in Vol 7 , No 1 (2019) :January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11412, first published
.

1 Somatosensory and Autonomic Therapy Research, Institute for Diagnostic and Interventional Neuroradiology, Hannover Medical School, Hannover, DE
2 Section Pain Medicine, Clinic of Anaesthesiology and Intensive Care Medicine, Hannover Medical School, Hannover, DE
*these authors contributed equally