renamed sdneighb.
renamed sdsocial.
renamed sdchild.
renamed sdfriend.
renamed sdwork.
renamed sdmarry.
"sgc-schiz-sd-kor-lca4.dta \ output data from sgc-schiz-sd-kor-lca4.inp \ pv01a-kor-lca4.do trm 2007-12-19"