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| article xml file uploaded | 30 June 2015 03:11 CEST | Original file | https://www.mdpi.com/2075-4442/3/2/394/xml |
| article pdf uploaded. | 19 May 2015 15:40 CEST | Updated version of record | https://www.mdpi.com/2075-4442/3/2/394/pdf |
| article pdf uploaded. | 18 May 2015 11:53 CEST | Version of Record | https://www.mdpi.com/2075-4442/3/2/394/pdf-vor |
