| article html file updated | 12 February 2020 03:13 CET | Update | https://www.mdpi.com/2077-1444/10/4/250 |
| article html file updated | 8 May 2019 16:28 CEST | Update | N/A |
| article html file updated | 25 April 2019 16:28 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:42 CEST | Original file | N/A |
| article pdf uploaded. | 18 April 2019 08:41 CEST | Updated version of record | https://www.mdpi.com/2077-1444/10/4/250/pdf |
| article xml uploaded. | 18 April 2019 08:41 CEST | Update | https://www.mdpi.com/2077-1444/10/4/250/xml |
| article xml file uploaded | 18 April 2019 08:41 CEST | Update | N/A |
| article pdf uploaded. | 4 April 2019 16:46 CEST | Version of Record | https://www.mdpi.com/2077-1444/10/4/250/pdf-vor |
| article xml file uploaded | 4 April 2019 16:46 CEST | Original file | N/A |