Lockdown stringency and paediatric self-harm presentations during COVID-19 pandemic: retrospective cohort study oleh Ben Hoi-ching Wong, Mehrak Vaezinejad, Paul L. Plener, Tauseef Mehdi, Liana Romaniuk, Elizabeth Barrett, Haseena Hussain, Alexandra Lloyd, Jovanka Tolmac, Manish Rao, Sulagna Chakrabarti, Sara Carucci, Omer S. Moghraby, Rachel Elvins, Farah Rozali, Ereni Skouta, Fiona McNicholas, Benjamin Baig, Dejan Stevanovic, Peter Nagy, Chiara Davico, Hassan Mirza, Evren Tufan, Fatima Youssef, Ben Meadowcroft, Dennis Ougrin