On the nature of pre-main sequence candidate stars in the Large Magellanic Cloud W. J. de Wit, J. P. Beaulieu, H. J. G. L. M. Lamers, C. Coutures and G. Meeus A&A, 432 2 (2005) 619-632 Published online: 02 March 2005 DOI: 10.1051/0004-6361:20041248