| article html file updated | 10 February 2020 16:18 CET | Update | https://www.mdpi.com/2076-3387/8/4/61 |
| article html file updated | 9 October 2019 04:12 CEST | Update | - |
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| article html file updated | 26 December 2018 10:28 CET | Update | - |
| article html file updated | 16 October 2018 17:35 CEST | Original file | - |
| article pdf uploaded. | 16 October 2018 17:35 CEST | Version of Record | https://www.mdpi.com/2076-3387/8/4/61/pdf |
| article xml uploaded. | 16 October 2018 17:35 CEST | Update | https://www.mdpi.com/2076-3387/8/4/61/xml |
| article xml file uploaded | 16 October 2018 17:35 CEST | Original file | - |
