author: Anne Herrmann-Werner  Christoph Nikendei  Teresa Loda  Rebecca Erschens  Stephan Zipfel 

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copyrighted in Philippines.

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copyrighted in countries which use the rule of the shorter term.

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copyrighted in countries with longer than 50 years pma.

copyrighted in Lebanon.

copyrighted in State of Palestine.

copyrighted in Kingdom of Denmark.

copyrighted in Mauritania.

copyrighted in Iran.

copyrighted in Tanzania.

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copyrighted in Democratic Republic of the Congo.

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copyrighted in countries with 50 years copyright term after publication.

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copyrighted in countries with longer than 60 years pma.

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copyrighted in countries with longer than 85 years pma.

copyrighted in countries with 71.5 years copyright term after publication.

copyrighted in countries with 25 years pma.

copyrighted in countries with 45 years pma or shorter.

copyrighted in countries with 74 years copyright term after publication.

copyrighted in countries with 25 years copyright term after publication.

copyrighted in countries with 95 years copyright term after publication.

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copyrighted in countries with 50 years pma.

copyrighted in countries with 90 years pma.

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copyrighted in countries with longer than 100 years pma.

copyrighted in countries with 15 years pma.

copyrighted in countries with 45 years pma.

copyrighted in countries with 85 years pma or shorter.

copyrighted in countries with 15 years pma or shorter.

copyrighted in countries with longer than 15 years pma.

copyrighted in countries with longer than 45 years pma.

copyrighted in countries with longer than 95 years pma.

copyrighted in countries with 74 years pma or shorter.

copyrighted in countries with 80 years pma.

copyrighted in countries with 60 years pma.

copyrighted in countries with 74 years pma.

copyrighted in countries with 100 years pma.

copyrighted in countries with 78 years pma.

copyrighted in countries with 95 years pma.