The institute is based in the US, but there are 3 regional offices and 200 local chapters around the world.
ສະຖາບັນແມ່ນອີງໃສ່ໃນສະຫະລັດ, ແຕ່ບໍ່ມີ 3 ຫ້ອງການພາກພື້ນແລະ 200 local chapters around the world.