| article html file updated | 13 February 2020 19:13 CET | Update | https://www.mdpi.com/2571-5577/2/4/31 |
| article html file updated | 23 September 2019 10:05 CEST | Original file | - |
| article pdf uploaded. | 23 September 2019 10:02 CEST | Updated version of record | https://www.mdpi.com/2571-5577/2/4/31/pdf |
| article xml uploaded. | 23 September 2019 10:02 CEST | Update | https://www.mdpi.com/2571-5577/2/4/31/xml |
| article xml file uploaded | 23 September 2019 10:02 CEST | Update | - |
| article pdf uploaded. | 20 September 2019 15:54 CEST | Version of Record | https://www.mdpi.com/2571-5577/2/4/31/pdf-vor |
| article xml file uploaded | 20 September 2019 15:54 CEST | Original file | - |
