A Summer Research (paid) Internship Program at the Health Language Processing Center within the Perelman School of Medicine at the University of Pennsylvania.
If you paid to be part of it under summer program(s) tier J I think
If you were paid to participate it would go under research tier D/F I believe
Im doing the tiers off the top of my head but the tiers arent absolute as one of my ECs was applicable under 2 sections one was an H the other a D granted it was a bit of an extreme example but it usually should be one of the 2 I listed.
Hope this helps
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I did not pay... it was application based.