The authors have done their best efforts to deliver high quality data in this Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, the authors make no warranties to that effect, and they shall not be liable for any damage that may result from errors or omissions in the Database.

Certain trade names and company products are mentioned in the text to specify adequately the computer products and equipment needed to use this software. In no case does such identification imply endorsement by the authors of these computer products and equipment, nor does it imply that the products are necessarily the best available for the purpose.