The crossover design of the present study was not complete, as we had no arm of B vitamin supplementation with sham exposure.
The design of the present study did not allow for evaluating the rapid, hematogenous transport.
Fig. 1 Research design of the present study.
However, the lack of power and the design of the present study preclude any firm conclusion.
The design of the present study enjoyed a mixed method in which the qualitative and quantitative phases were embraced.
The design of the present study included embedding of teeth in a silicone substrate for limited tooth movement in an attempt to simulate the clinical condition.
First, the correlational design of the present study prevents us from knowing whether musicians had pre-existing differences from non-musicians before undergoing musical training.
First, the cross-sectional design of the present study precludes causal interpretations.
The design of the present study is illustrated in Figure 1.
The design of the present study aimed at fixing these shortcomings.
In this view, it is important to mention the limitations encountered during the design of the present study.
