Changes in children´s physical fitness, BMI and health-related quality of life after the first 2020 COVID-19 lockdown in England: A longitudinal study - Basterfield, L.; Burn, N. L.; Galna, B.; Batten, H.; Goffe, L.; Karoblyte, G.; Lawn, M.; Weston, K. L. (Journal of Sports Sciences, 2022)