| article html file updated | 14 February 2020 04:14 CET | Update | https://www.mdpi.com/1996-1073/12/21/4090 |
| article html file updated | 15 November 2019 07:51 CET | Update | N/A |
| article html file updated | 26 October 2019 10:14 CEST | Original file | N/A |
| article pdf uploaded. | 26 October 2019 10:12 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4090/pdf |
| article xml uploaded. | 26 October 2019 10:12 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4090/xml |
| article xml file uploaded | 26 October 2019 10:12 CEST | Original file | N/A |
