| article html file updated | 14 February 2020 05:56 CET | Update | https://www.mdpi.com/2079-8954/7/4/50 |
| article html file updated | 1 January 2020 05:38 CET | Update | - |
| article html file updated | 12 November 2019 09:37 CET | Original file | - |
| article pdf uploaded. | 12 November 2019 09:36 CET | Updated version of record | https://www.mdpi.com/2079-8954/7/4/50/pdf |
| article xml uploaded. | 12 November 2019 09:36 CET | Update | https://www.mdpi.com/2079-8954/7/4/50/xml |
| article xml file uploaded | 12 November 2019 09:36 CET | Update | - |
| article pdf uploaded. | 1 November 2019 11:23 CET | Version of Record | https://www.mdpi.com/2079-8954/7/4/50/pdf-vor |
| article xml file uploaded | 1 November 2019 11:23 CET | Original file | - |
