1. Montreal Institute of Learning Algorithms (MILA), University of Montreal , Montreal, QC H2S 3H1 , Canada
2. Skinopathy Research, Skinopathy Inc. , North York, ON M2N1N5 , Canada
3. Scarborough Health Network, Centenary Hospital , Scarborough, ON M1E 4B9 , Canada
4. Deaprtment of Surgery, University of Alberta Hospital , Edmonton, AB T6G 2B7 , Canada