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| article html file updated | 10 October 2018 13:26 CEST | Original file | - |
| article pdf uploaded. | 10 October 2018 13:26 CEST | Updated version of record | https://www.mdpi.com/2073-4336/9/4/77/pdf |
| article xml uploaded. | 10 October 2018 13:26 CEST | Update | https://www.mdpi.com/2073-4336/9/4/77/xml |
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| article pdf uploaded. | 2 October 2018 17:18 CEST | Updated version of record | https://www.mdpi.com/2073-4336/9/4/77/pdf-vor |
| article pdf uploaded. | 2 October 2018 17:10 CEST | Version of Record | https://www.mdpi.com/2073-4336/9/4/77/pdf-vor |
| article xml file uploaded | 2 October 2018 17:10 CEST | Original file | - |
