Comment on: Patellar instability in Indian population: relevance of tibial tuberosity and trochlear groove distance - SICOT J 2016, 2, 14, DOI: 10.1051/sicotj/2016008Balgovind S. Raja and Sai Gautham BalasubramanianSICOT-J, 5 (2019) 24DOI: https://doi.org/10.1051/sicotj/2019018