The phrase "are thought to involve" is correct and usable in written English.
It can be used when discussing beliefs or assumptions about the nature of something, often in academic or formal contexts.
Example: "These phenomena are thought to involve complex interactions between various environmental factors."
Alternatives: "are believed to include" or "are considered to encompass".
Whilst the mechanisms that cause changes in leukocyte activity as a result of a stressor are not clearly understood at present, they are thought to involve secretion of corticosteroids and the involvement of several cytokines [41], [42].
Hearing, touch and proprioception are thought to involve direct activation of mechano-electrical transduction (MeT) channels.
The talks with Citigroup are thought to involve leveraged loans made to TPG, Apollo and Blackstone themselves.
The mechanisms for the UE of arsenic and selenium are thought to involve the formation of secondary minerals on the particle surfaces which eventually dissolve with continued sonication.
Traditionally, due to the impurities inevitably present in real materials that limit the grain-boundary (GB) mobility, the processes of grain growth and GB diffusion are thought to involve similar activation barriers.
While underlying mechanisms of stress-related social dysfunction are not well understood, they are thought to involve the striatum, a stress-sensitive area of the ventral striatum that regulates drives and motivation.
These are thought to involve the futures of some of the current Old Trafford backroom staff including assistant coach Phil Neville and goalkeeping coach Chris Woods, who are both expected to depart.
As it is for most people who commit adultery (studies vary greatly -- between one-quarter and three-quarters of divorces are thought to involve infidelity), the affair was and wasn't about the new person.
The Ulchi Freedom Guardian drills, which began on Monday and run until the end of the month, are thought to involve a small number of personnel from Britain, Australia and other countries.
In all systems of contract law, certain classes of transactions are treated as unenforceable by the judicial process because they are thought to involve unusual hazards for a contracting party or to be of marginal social utility.
They are thought to involve the activities of the Paedophile Information Exchange, a pro-paedophile group in existence between 1974 and 1984, which believed there should be no age of consent.
