| article html file updated | 7 March 2020 14:58 CET | Update | https://www.mdpi.com/1996-1073/13/4/970 |
| article html file updated | 7 March 2020 12:18 CET | Update | - |
| article html file updated | 24 February 2020 14:24 CET | Original file | - |
| article pdf uploaded. | 24 February 2020 14:22 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/4/970/pdf |
| article xml uploaded. | 24 February 2020 14:22 CET | Update | https://www.mdpi.com/1996-1073/13/4/970/xml |
| article xml file uploaded | 24 February 2020 14:22 CET | Update | - |
| article pdf uploaded. | 21 February 2020 14:36 CET | Version of Record | https://www.mdpi.com/1996-1073/13/4/970/pdf-vor |
| article xml file uploaded | 21 February 2020 14:36 CET | Original file | - |