| article html file updated | 14 February 2020 07:01 CET | Update | https://www.mdpi.com/1996-1073/12/21/4219 |
| article html file updated | 15 November 2019 09:41 CET | Update | N/A |
| article html file updated | 8 November 2019 07:16 CET | Original file | N/A |
| article pdf uploaded. | 8 November 2019 07:15 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4219/pdf |
| article xml uploaded. | 8 November 2019 07:15 CET | Update | https://www.mdpi.com/1996-1073/12/21/4219/xml |
| article xml file uploaded | 8 November 2019 07:15 CET | Update | N/A |
| article pdf uploaded. | 5 November 2019 16:05 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4219/pdf-vor |
| article xml file uploaded | 5 November 2019 16:05 CET | Original file | N/A |
