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Search results for ( "Child" OR "Adult" OR "Senior" ) [AGE-GROUP] are shown below.

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Click on a U.S. state to display studies with locations in that state.
Summary: 9745 studies have locations in 50 states and Washington D.C.

On the world map, click on a region to display studies with locations in that region.
Summary: 2037 studies have locations outside the USA.

Note: 1479 studies did not have location data.

Click on a U.S. state to display studies with locations in that state.
U.S. State	Number of Studies
	72
	1312
	550
	1172
	3275
	1299
	763
	455
	2106
	1277
	554
	921
	208
	2379
	1207
	725
	787
	1116
	1972
	3443
	302
	1539
	1379
	1478
	498
	322
	1849
	426
	842
	456
	1321
	551
	556
	3212
	2157
	824
	930
	2278
	598
	1088
	372
	1363
	2588
	630
	1099
	469
	1539
	1015
	334
	14
	1204
Click on a region to display studies with locations in that region.
Country or World Region	Number of Studies
	9745
	870
	57
	570
	1008
	193
	115
	55
	150
	17
	346

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