The phrase "are therefore primarily" is correct and usable in written English.
It can be used to indicate a conclusion or result that is mainly focused on a specific aspect or characteristic.
Example: "The results of the study are therefore primarily indicative of the need for further research in this area."
Alternatives: "are mainly" or "are chiefly".
From the point of view of a provider of compute services, clouds are therefore primarily of interest as a way to absorb peak loads (through 'cloud-bursting'), extending the capacity of the infrastructure while physical resources support the base loads.
T3 levels in the healthy heart are therefore primarily determined by the level of plasma T3.
In conventional mice, colonic Tregs are therefore primarily differentiated outside the thymus in the gut in response to foreign antigens.
Our results are therefore primarily derived from diagnostic accuracy studies, which assume the validity of the clinical aims of current testing.
The failings of the set point and settling point models are therefore primarily a reflection of their failure to accommodate the gene-by-environment nature of the problem.
It is important to underline that the drug-specific indicators are defined in terms of the number of recipients of the drug as a percentage of the entire elderly population and are therefore primarily relevant on a population level only.
Manuals were therefore primarily designed for use by communal pastoralists in three study areas in the Kalahari, Botswana.
Because of this, the use of EP systems has been, therefore, primarily limited to station keeping maneuvers.
If he gets less than twenty per cent of the vote, the narrative in the mainstream media will be that he has peaked, and is, therefore, primarily interesting as a possible third-party candidate.
The cell is therefore primarily a Mg/O2 battery, however, the PEDOT appears to enhance the performance, in particular the discharge voltage.
The program has been designed for systems where the atoms are independent of one another, and it is therefore primarily suited towards inorganic systems.
