this edition written and researched by Belinda Dixon [and nineteen others]. this edition written and researched by Anthony Ham [and 12 others]. this edition written and researched by Anthony Ham [and 7 others] this edition written and researched by Alexis Averbuck [and 3 others]. this edition written and researched by Amy C. Balfour [and 6 others]. this edition written and researched by Jean-Bernard Carillet [and 10 others]. this edition written and researched by Brett Atkinson and Peter Dragicevich. Iran /: this edition written and researched by Simon Richmond [and five others]. this edition written and researched by Tamara Sheward, Peter Dragicevic. this edition written and researched by Anthony Ham.