| article html file updated | 12 February 2020 03:22 CET | Update | https://www.mdpi.com/2077-1444/10/4/251 |
| article html file updated | 8 May 2019 16:28 CEST | Update | - |
| article html file updated | 25 April 2019 16:10 CEST | Update | - |
| article html file updated | 18 April 2019 19:21 CEST | Original file | - |
| article pdf uploaded. | 18 April 2019 12:51 CEST | Updated version of record | https://www.mdpi.com/2077-1444/10/4/251/pdf |
| article xml uploaded. | 18 April 2019 12:51 CEST | Update | https://www.mdpi.com/2077-1444/10/4/251/xml |
| article xml file uploaded | 18 April 2019 12:51 CEST | Update | - |
| article pdf uploaded. | 5 April 2019 15:50 CEST | Version of Record | https://www.mdpi.com/2077-1444/10/4/251/pdf-vor |
| article xml file uploaded | 5 April 2019 15:50 CEST | Original file | - |
