Luis Barba, Luis Evaristo Caraballo, José Miguel Díaz-Báñez, Ruy Fabila-Monroy, Edel Pérez-Castillo: Corrigendum to 'Asymmetric polygons with maximum area' [European Journal of Operational Research 248 (2016) 1123-1131]. Eur. J. Oper. Res. 266(1): 391 (2018)