The purpose of this research was to evaluate the factor structure of the Pittsburgh Sleep Quality
Index (PSQI) in rheumatoid arthritis (RA). The sample included 107 patients with RA, 88 …

OBJECTIVE: To examine the relationships between physical, psychological, and social
factors and health-related quality of life (HRQOL) and disability in rheumatoid arthritis (RA). …

Objective. To evaluate a multidimensional model testing disease activity, mood disturbance,
and poor sleep quality as determinants of fatigue in patients with rheumatoid arthritis (RA). …

… One possibility is to first form a surrogate model mk(y) based on some form of simplex … the
minimizer onto the mesh Mk. We described above two examples of such a model mk(y), but …

In practical applications of optimization it is common to have several conflicting objective
functions to optimize. Frequently, these functions are subject to noise or can be of black-box …

The humpback whale is very maneuverable despite its enormous size and rigid body. This
agility has been attributed to the use of its pectoral flippers, along the leading edge of which …

Adhesive bonding technology has played an essential role in the development and growth
of the rehabilitation and repair of timber structures. The ability of a structural joint to maintain …

The goal of this paper is to show that the use of minimum Frobenius norm quadratic models
can improve the performance of direct-search methods. The approach taken here is to …

… Support for AL Custódio was also provided by Centro de Matemática e Aplicações da … is
trivially satisfied from the definition of the mesh Mk given below (ie, one trivially has Pk ⊂ Mk). …

… A detailed discussion of the Reynolds-number effects and the dependence of key
parameters on Reynolds number for all the airfoil models is presented in Custodio [28]. …