Int J Dermatology
https://pubmed.ncbi.nlm.nih.gov/?myncbishare=dukemlib&dr=abstract&otool=dukemlib&term=29633254
If you are new or uncomfortable with how to lead a small group, here are some great tips, which involve things like how to properly prepare in advance, and the best methods for soliciting group input by asking, listening, and responding appropriately.