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| article html file updated | 18 December 2018 10:58 CET | Original file | N/A |
| article pdf uploaded. | 18 December 2018 10:56 CET | Updated version of record | https://www.mdpi.com/2073-4336/9/4/103/pdf |
| article xml uploaded. | 18 December 2018 10:56 CET | Update | https://www.mdpi.com/2073-4336/9/4/103/xml |
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| article pdf uploaded. | 13 December 2018 15:08 CET | Updated version of record | https://www.mdpi.com/2073-4336/9/4/103/pdf-vor |
| article pdf uploaded. | 13 December 2018 14:55 CET | Version of Record | https://www.mdpi.com/2073-4336/9/4/103/pdf-vor |
| article xml file uploaded | 13 December 2018 14:55 CET | Original file | N/A |
