Correction to: Impact of phenylalanine on cognitive, cerebral, and neurometabolic parameters in adult patients with phenylketonuria (the PICO study): a randomized, placebo-controlled, crossover, noninferiority trial

Correction to: Trials (2020) 21:178

https://doi.org/10.1186/s13063-019-4022-z

Following publication of the original article [1], the authors notified us that Fig. 1 was incorrect.

The corrected Fig. 1 is presented below.

Fig. 1
figure1

Study flow chart. Legend. T0 = screening; T1 = first assessment; T2 = second assessment; T3 = third assessment; T4 = fourth and last assessment

Reference

  1. 1.

    Trepp R, et al. Impact of phenylalanine on cognitive, cerebral, and neurometabolic parameters in adult patients with phenylketonuria (the PICO study): a randomized, placebo-controlled, crossover, noninferiority trial. Trials. 2020;21:178. https://doi.org/10.1186/s13063-019-4022-z.

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Correspondence to Regula Everts.

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Trepp, R., Muri, R., Abgottspon, S. et al. Correction to: Impact of phenylalanine on cognitive, cerebral, and neurometabolic parameters in adult patients with phenylketonuria (the PICO study): a randomized, placebo-controlled, crossover, noninferiority trial. Trials 21, 561 (2020). https://doi.org/10.1186/s13063-020-04489-7

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