The bounds testing approach of Pesaran et al. (2001) allows examination of levels relationships between series when their orders of integration are either unknown or uncertain. In this paper it is shown that when the order of integration of a series is uncertain due to the presence of structural change, the bounds testing procedure is subject to severe size distortion and consequently detects s...

accessibility to all levels of information technology has experienced rapid progress in recent years, particularly in the health sector. rapid penetration into this technology has led to changes in lifestyles and changes in the working procedures of institutions. in 2014, the number of internet users reached 3 billion, and this number is predicted to exceed 8 billion in 2018. statistics estimat...

background non-diagnosed depression might postpone the physical healing of patients and negatively affects prognosis. the rate of major depressive disorder among patients of general practitioners in the united states reaches 10 percent and among patients admitted to the inner wards reaches 15 percent. patients and methods a cross sectional study on physician of two hospitals was performed. a qu...

In this paper, the origins of spurious solutions occurring in the high-order finite difference methods are studied. Based on a uniform mesh, spurious modes are found in the high-order one-sided finite difference discretizations of many eigenvalue problems. Spurious modes are classified as spectral pollution and non-spectral pollution. The latter can be partially avoided by mesh refinement, whil...

We show that there exist spurious states for the sector two tensor Hamiltonian in multidimensional supersymmetric quantum mechanics. For one-dimensional supersymmetric quantum mechanics on an infinite domain, the sector one and two Hamiltonians have identical spectra with the exception of the ground state of the sector one. For tensorial multidimensional supersymmetric quantum mechanics, there ...

This article addresses why in the current context of driving toward improved value, physician groups ought to consider developing a patient safety evaluation system and reporting to a patient safety organization. The fundamental challenge to physicians to succeed in the future is to clinically integrate within their own practices, standardizing to the evidence base, and measuring their performa...

The Drexel neurology clerkship experience can vary from large groups at a university hospital inpatient unit to smaller groups at private physician offices. Evaluations are based on the site director's subjective assessment and performance on the National Board of Medical Examiners neurology shelf examination. We are developing a standardized online clinical neurology course and quiz for the wh...

This article examines how proximity to the nearest publicly funded test site affects HIV testing. Using a sample of 5,361 Los Angeles County adults, multinomial logit models estimated simultaneously the likelihood of (1) obtaining an HIV test in the prior 2 years, and (2) testing in a private physician's office, a publicly funded medical clinic, or in a nonmedical setting, such as a bar or bath...