Erratum: Expression of concern: Influence of GaAs/InAs quasi-monolayer on the structural and optical properties of InAs/GaAs quantum dots, Jae-Young Leem, Minhyun Jeon, Jewon Lee, Guansik Cho, Cheul-Ro Lee, Jong Su Kim, Se-Kyung Kang, S.I. Ban, J.I. Lee, Hyung Koun Cho, Journal of Crystal Growth, Volume 252, Issue 4, May 2003, Pages 493–498 (Influence of GaAs/InAs quasi-monolayer on the structural and optical properties of InAs/GaAs quantum dots (2003) 252(4) (493–498), (S0022024803008662), (10.1016/S0022-0248(03)00866-2))