Professor Johnny Ludvigsson i Linköping är nr 1 i Sverige, 53 i världen, Bo Ahrén är nr 2 i Sverige, Åke Lernmark nr 3 i Sverige och nr 108 i världen.

ScholarGPS celebrates Highly Ranked Scholar for their exceptional performance in various Fields, Disciplines, and Specialties. Publication record, the high impact of  work, and the outstanding quality of scholarly contributions have placed Johnny Ludvigsson in the top 0.05% of all scholars worldwide.

Listed below is a summary of the areas and the ranking in those areas status based on Johnny Ludvigsson accomplishments over the totality of career lifetime and over the prior five years:

Highly Ranked Scholar - Lifetime


Overall (All Fields)





Highly Ranked Scholar - Prior 5 Years





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