Region
New York (NY)
11
Kioto
3
Oberwolfach
3
Atlanta (Ga.)
2
Austin (Tex.)
2
Berlin (West)
2
Bielefeld
2
Cleveland (Ohio)
2
Cold Spring Harbor (NY)
2
Delhi
2
München
2
Rom
2
Santa Margherita Ligure
2
Vancouver (British Columbia)
2
Washington (DC)
2
Aachen
1
Airlie (Va.)
1
Airlie Va
1
Amherst (Mass.)
1
Ann Arbor (Mich.)
1
Antwerpen
1
Argonne (Ill.)
1
Bad Homburg v. d. Höhe
1
Baltimore, Md
1
Barcelona
1
Bellagio
1
Birmingham (Ala.)
1
Birmingham Ala
1
Bordeaux
1
Boulder (Colo.)
1
Brisbane
1
Budapest
1
Cambridge
1
Carefree (Ariz.)
1
Carefree Ariz
1
Cargèse
1
Cocoyoc
1
Confolant
1
Cortona
1
Developing countries
1
Dubrovnik
1
Dundee
1
Edinburgh
1
Erice
1
Etats-Unis
1
Gainesville (Fla.)
1
Gatlinburg (Tenn.)
1
Geila
1
Geilo
1
Groningen
1
more ...