- Linkage analysis in families with Joubert syndrome plus oculo-renal involvement identifies the CORS2 locus on chromosome 11p12-q13.3. Keeler, L.C., Marsh, S.E., Leeflang, E.P., Woods, C.G., Sztriha, L., Al-Gazali, L., Gururaj, A., Gleeson, J.G. Am. J. Hum. Genet. (2003)