Vitamin D Status of Clinical Practice Populations at Higher Latitudes: Analysis and Applications

Background: Inadequate levels of vitamin D (VTD) throughout the life cycle from the fetal stage to adulthood have been correlated with elevated risk for assorted health afflictions. The purpose of this study was to ascertain VTD status and associated determinants in three clinical practice populationsliving in Edmonton, Alberta, Canada -a locale with latitude of 53°30\u27N, wheresun exposure from October through March is often inadequate to generate sufficient vitamin D. Methods: To determine VTD status, 1,433 patients from three independent medical offices in Edmonton had levels drawn for 25(OH)D as part of their medical assessment between Jun 2001 and Mar 2007. The relationship between demographic data and lifestyle parameters with VTD status was explored. 25(OH)D levels were categorized as follows: (1) Deficient

Graduate recital, clarinet. Vaselenak, S., 1998

Recorded during a live performance at Dalton Center Recital Hall, Western Michigan University, Kalamazoo, Michigan, February 14, 1998, 8:00 p.m., the 298th concert of the School of Music's 1997-1998 season.Sheila Vaselenak, clarinet ; Gunta Laukmane, piano ; Jennifer Traczynski, cello (4th work).In partial fulfillment of the requirements of the Master of Music degree in clarinet performance, Western Michigan University, 1998.Information from performance program.Hillandale waltzes. Theme ; Valse elegante ; Valse passionee ; Valse sombre ; Valse volante ; Valse triste ; Valse de bonne humeur ; Valse brillante et joyeuse ; Valse oubilee / Victor Babin -- Concerto for clarinet / Aaron Copland -- Wings: for solo clarinet / Joan Tower -- Trio pathetique in D minor / Mikhail Glinka

Cost-utility Analysis of Universal Pre-exposure Prophylaxis Coverage for Men who have Sex with Men at a High Risk of Human Immunodeficiency Virus Infection in Ontario, Canada

HIV pre-exposure prophylaxis (PrEP) was approved by Health Canada in 2016. Currently in Ontario, those under the age of 25 or aged 65 years or older can access PrEP free of charge through public drug coverage programs. This study assessed the cost-effectiveness of providing public coverage for PrEP to all high-risk Ontario MSM. A Markov cohort model was built from the perspective of the Ontario Ministry of Health and Long-Term Care (MOH) using a lifetime time horizon. Health states included HIV positive, HIV negative, and Dead. Transition probabilities, health state utilities and HIV treatment costs were sourced from published literature. Costs of HIV prevention were estimated through a micro-costing approach. HIV infection risk was estimated using the HIRI-MSM screening tool. Offering PrEP to all high-risk MSM through the Ontario MOH is dominant to current coverage circumstances due to a reduction in costly HIV infections.M.Sc

Heat integration in batch processing

Technical Repor

Optimal retrofit design of multi-product batch plants

Abstract: "The problem of retrofit design of multiproduct batch plants is considered in which the optimal addition of equipment to an existing plant must be determined in view of changes in the product demands. In order to circumvent the combinatorial problem of having to analyze many alternatives the problem is formulated as a mixed-integer nonlinear program (MINLP) and solved with the outer-approximation algorithm of Duran and Grossmann. By using suitable variable transformations and approximations, the global optimum solution is guaranteed. The proposed MINLP model is also extended to the case when time-varying forecasts for product demands are given. Numerical examples are presented.