Retraction Note: Comprehensive investigations of mixed convection of Fe–ethylene-glycol nanofluid inside an enclosure with different obstacles using lattice Boltzmann method - Chenqi Fu; Amin Rahmani; Wanich Suksatan; S. M. Alizadeh; Majid Zarringhalam; Supat Chupradit; Davood Toghraie (Scientific Reports)