The author is very appreciative of the advice and comments from Harry Blustein (Australia), Jo Maire Griesgraber (USA), and Maria Ivanova (Bulgaria).

Important contributions to this effort have been made by Patrizio Civilli (Italy); Navid Hanif (Pakistan); Nay Htun (Thailand); and Jana Simonova (Czech Republic).

Raffi Krut-Landau prepared the prototype for the software; Martha Scanlon, Barbara Shephard and Christine Azzaro coordinated the final software version for the UMass Boston website .

Natalie Axton, Sam Caywood, Laura Deutsch, and John Michael Denney served as research assistants.

Commenting is not available in this channel entry.