Can Jupiters be found by monitoring Galactic bulge microlensing events from northern sites?

Y Tsapras, R A Street, K Horne, A Penny, F Clarke, H Deeg, F Garzon, S Kemp, M R Zapatero Osorio, A O Abad, S M Sanchez, C Eiroa, A Mora, A Alberdi, A Cameron, J K Davies, R Ferlet, C Grady, A W Harris, J PalaciosA Quirrenbach, H Rauer, J Schneider, D de Winter, B Merin, E Solano