Cluster 1: T1, T3, T7, T11, L2, L4
Cluster 2: T3
Cluster 3: T11, L2, L4
Cluster 4: T7
Single marker: CLAV, STRN, C7, T1, T5, T9, T12, L3, SACR, RASI, LASI, RPSI, LPSI