Table 1.

Regional membership in the Phelan-McDermid Syndrome Foundation and 2018 PMSF International Conference attendance. The majority of attendees were from regions within the US, but an additional eight international representative were also in attendance

US Regions	N (%)	Conference Attendance 2018
REGION 1 NORTH: AK, ID, OR, WA, WY	45 (5)
REGION 1 SOUTH: CA, HI, NV	112 (11)
REGION 2: IA, MN, NE, ND, SD, WI	73 (7)
REGION 3 NORTH: KS, AR, MO, OK	61 (6)
REGION 3 SOUTH: LA, TX	85 (9)
REGION 3 WEST: UT, AZ, CO, NM	42 (4)
REGION 4 CENTRAL: PA, NY, NJ	122 (13)
REGION 4 NORTH: VT, NH, ME, RI, CT, MA	45 (5)
REGION 4 SOUTH: DE, MD, WV, VA, WASHINGTON DC	61 (6)
REGION 5 NORTH: TN, NC, SC	56 (6)
REGION 5 SOUTH: AL, FL, GA, MS	99 (10)
REGION 9: IN, IL, KY, MI, OH	171 (18)
US Total (including 2 unreported State)	974	158
International Regions	N (%)
REGION 6: Ireland & UK	252 (24)	2
REGION 7 WEST: Alberta, British Columbia, Manitoba, Saskatchewan	38 (4)	14
REGION 7 EAST: New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec	58 (6)
REGION 8: Australia, New Caledonia, New Zealand, India	130 (12)	4
REGION 10: Mexico	7 (1)
REGION 11: Central America	3 (< 1)
REGION 11: Brazil	85 (8)	2
REGION 12 NORTH: Spain	66 (6)	1
REGION 12 SOUTH: Portugal	8 (1)
REGION 13: Belgium, France, Luxembourg	112 (11)	1
REGION 14: Germany, The Netherlands	59 (6)
REGION 15: Italy	36 (3)
REGION 16: Denmark, Finland, Norway, Sweden	47 (4)	1
REGION 17: Albania, Austria, Bosnia, Bulgaria, Croatia, Czech Republic, Hercegovina, Hungary, Macedonia, Moldova, Romania, Slovenia, Switzerland	31 (3)
REGION 18: Brunei, Indonesia, Malaysia, Philippines, Singapore, Thailand	22 (2)	1
REGION 19: Poland	12 (1)
REGION 20: China, Taiwan	17 (2)
REGION 21: Greece, Turkey, Israel	27 (3)
REGION 22: Russian Federation	3 (< 1)
REGION 23: South Africa	1	1
Total (including 18 unreported Country)	1032	185