The underlying factors that cause symptoms of social anxiety are also hard to determine.

Your report overlooks what may be the most important underlying factors.

Another underlying factor is the lack of support for virtual hosting.

The answer seems to lie in two underlying factors.

Drug use is an underlying factor in all of these reasons.

Little is publicly known about the underlying factors causing the disease.

"An awful lot of it has been driven by the economy and culture, but race could be an underlying factor."

There are usually important underlying factors, especially in the elderly.

Those facts, however, obscure underlying factors that could have an impact on this series.

In the galaxy, of course, the economic considerations only occasionally are the underlying factors.