“…Few economic studies using modeling techniques have been developed in China [32,51], and recent CE studies for depression and Parkinson's disease in China have shown that most studies published correspond to economic analyses 'piggybacked' on clinical studies where the clinical endpoints are loosely defined, and the costs are often restricted to cost of drugs only [52,53]. This can be explained by the difficult to document patient paths, burden of illness and difficulty in identifying unit costs for resource utilization in China, all of which this present study aimed to overcome.…”