1. Institute of Hospital Management, Chinese People's Liberation Army General Hospital,
Beijing, P. R. China
2. Quality and Clinical Systems Integration, Texas Children's Hospital,
Houston, TX, USA
3. Department of Lymphoma/Myeloma, The University of Texas M. D. Anderson Cancer Center,
Houston, TX, USA
4. Department of Family and Community Medicine, Baylor College of Medicine,
Houston, TX, USA
5. Lanfang Health Vocational College,
Langfang City, P. R. China 065001
6. School of Public Health, Division of Epidemiology, University of Texas Health Science Center at Houston,
Houston, TX, USA