The standards of the North American Association of Central Cancer Registries (NAACCR) were used to draft a comprehensive checklist. In addition, the national guidelines of PBCR were used to develop a questionnaire for the evaluation of knowledge and practice of the PBCR personnel. Furthermore, a protocol for evaluation of the completeness and validity of the PBCR data was developed according to the International Agency for Research on Cancer (IARC) and the NAACCR guidelines