Johann Hitzler

Rare Disease / Clinical Research

The Hospital for Sick Children

Canada.

QC-verified· April 2026 2 publications

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Specialists are identified from ClinicalTrials.gov principal investigators, PubMed publications, and the NPI registry, then ranked through an automated scoring pipeline.

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Rare diseases treated or studied

Based on trial PI assignments and publication topics.

Down syndrome

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Other specialists for Down syndrome

Peers ranked by clinical-trial PI role, publications, and verification quality.

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Jan-Henning Klusmann
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Jonathan D Santoro
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Nicole Baumer, M.D
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André M M Sousa
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Anita Bhattacharyya
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