| article html file updated | 27 April 2020 11:22 CEST | Update | https://www.mdpi.com/2075-4663/8/4/50 |
| article pdf uploaded. | 27 April 2020 11:21 CEST | Updated version of record | https://www.mdpi.com/2075-4663/8/4/50/pdf |
| article xml uploaded. | 27 April 2020 11:21 CEST | Update | https://www.mdpi.com/2075-4663/8/4/50/xml |
| article xml file uploaded | 27 April 2020 11:21 CEST | Update | - |
| article html file updated | 14 April 2020 15:01 CEST | Update | - |
| article pdf uploaded. | 14 April 2020 14:59 CEST | Updated version of record | https://www.mdpi.com/2075-4663/8/4/50/pdf-vor |
| article xml file uploaded | 14 April 2020 14:59 CEST | Update | - |
| article html file updated | 14 April 2020 14:34 CEST | Original file | - |
| article pdf uploaded. | 14 April 2020 14:33 CEST | Version of Record | https://www.mdpi.com/2075-4663/8/4/50/pdf-vor |
| article xml file uploaded | 14 April 2020 14:33 CEST | Original file | - |
