Aaron Chalfin1, Benjamin Hansen2 and Rachel Ryley3 1Department of Criminology, University Pennsylvania 2Department Economics, Oregon; NBER; IZA, E-Mail: bchansen{at}uoregon.edu. 3Department Business Economics Public Policy,

This paper studies the minimum-age scheduling problem in a wireless sensor network where an access point (AP) monitors state of object via set sensors. The freshness sensed state, measured by age-of-information (AoI), varies at different sensors and is not directly observable to AP. AP has decide which query/sample order get most updated information (i.e., with minimum AoI). In this paper, we f...

Excessive oxidative stress and abnormal blood lipids may cause chronic diseases. This risk can be reduced by consuming an antioxidant- and fiber-rich vegetarian diet. We compared biomarkers of oxidative stress, antioxidant capacity, and lipid profiles of sex- and age-matched long-term vegetarians and omnivores in Korea. Forty-five vegetarians (23 men and 22 women; mean age, 49.5 ± 5.3 years), w...

BACKGROUND This study illustrates our experience in treating duodenal ulcer by means of thoracoscopy and laparoscopy over a period of six years. MATERIALS AND METHODS From October 1991 to October 1998, we submitted 38 patients (31 males and 7 females), average age 51 years (range 22-78 years), with duodenal ulcer to vagotomy with minimally invasive access: 23 Hill-Barkers, 2 Taylors, 9 thorac...