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Development and performance of a sleep estimation algorithm using a single accelerometer placed on the thigh: an evaluation against polysomnography.
Johansson PJ, Crowley P, Axelsson J, Franklin K, Garde AH, Hettiarachchi P, Holtermann A, Kecklund G, Lindberg E, Ljunggren M, Stamatakis E, Theorell Haglöw J, Svartengren M. Johansson PJ, et al. Among authors: hettiarachchi p. J Sleep Res. 2023 Apr;32(2):e13725. doi: 10.1111/jsr.13725. Epub 2022 Sep 27. J Sleep Res. 2023. PMID: 36167935 Free PMC article.
Direct observations of X-rays produced by upward positive lightning.
Oregel-Chaumont T, Šunjerga A, Hettiarachchi P, Cooray V, Rubinstein M, Rachidi F. Oregel-Chaumont T, et al. Among authors: hettiarachchi p. Sci Rep. 2024 Apr 6;14(1):8083. doi: 10.1038/s41598-024-58520-x. Sci Rep. 2024. PMID: 38582762 Free article.
The Surveillance of Physical Activity, Sedentary Behavior, and Sleep: Protocol for the Development and Feasibility Evaluation of a Novel Measurement System.
Crowley P, Ikeda E, Islam SMS, Kildedal R, Schade Jacobsen S, Roslyng Larsen J, Johansson PJ, Hettiarachchi P, Aadahl M, Mork PJ, Straker L, Stamatakis E, Holtermann A, Gupta N. Crowley P, et al. Among authors: hettiarachchi p. JMIR Res Protoc. 2022 Jun 6;11(6):e35697. doi: 10.2196/35697. JMIR Res Protoc. 2022. PMID: 35666571 Free PMC article.
Relationship of device measured physical activity type and posture with cardiometabolic health markers: pooled dose-response associations from the Prospective Physical Activity, Sitting and Sleep Consortium.
Ahmadi MN, Blodgett JM, Atkin AJ, Chan HW, Del Pozo Cruz B, Suorsa K, Bakker EA, Pulsford RM, Mielke GI, Johansson PJ, Hettiarachchi P, Thijssen DHJ, Stenholm S, Mishra GD, Teixeira-Pinot A, Rangul V, Sherar LB, Ekelund U, Hughes AD, Lee IM; ProPASS collaboration; Holtermann A, Koster A, Hamer M, Stamatakis E. Ahmadi MN, et al. Among authors: hettiarachchi p. Diabetologia. 2024 Mar 13. doi: 10.1007/s00125-024-06090-y. Online ahead of print. Diabetologia. 2024. PMID: 38478050