| article html file updated | 14 February 2020 03:58 CET | Update | https://www.mdpi.com/1996-1073/12/21/4074 |
| article html file updated | 15 November 2019 07:30 CET | Update | N/A |
| article html file updated | 25 October 2019 12:09 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2019 12:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4074/pdf |
| article xml uploaded. | 25 October 2019 12:07 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4074/xml |
| article xml file uploaded | 25 October 2019 12:07 CEST | Original file | N/A |
