Cluster 40: neuropathy greater grade peripheral equal patients baseline cause ii severity Cluster 631: existing pre neuropathy grade peripheral greater conditions higher sensory patients Cluster 1168: sensory neuropathy grade peripheral preexisting baseline greater patients evidence equal Cluster 1416: neuropathy peripheral grade patients baseline ctcae presence preexisting cause current Cluster 1664: grade sensory alopecia neuropathy persisting related toxicity constituting nci ctcae Cluster 1855: motor sensory neuropathy grade ctcae equal peripheral preexisting existing pre Cluster 1967: myopathy history chronic donor rhabdomyolysis steroid existing simvastatin patients pre