The authors wish to thank the following Research Assistants for their dedicated efforts to bring this new edition up to date: Ms. Roos de Kraker, Ms. Zoë Knijff, Ms. Loeva Georges, Ms. Nolwen Guilleman, and Ms. Agata Szczepańska. We also thank the following Editorial Assistants for their excellent support during the publication process: Ms. Elena Graham, Ms. Teodora Blaga, Ms. Eva Canavan, Ms. Calypso Ruë Simon, Ms. Courtney Lynch, and Ms. Rebecca Walker.