| article html file updated | 12 February 2020 18:38 CET | Update | https://www.mdpi.com/1996-1073/12/11/2199 |
| article html file updated | 21 October 2019 15:08 CEST | Update | N/A |
| article html file updated | 20 June 2019 16:55 CEST | Update | N/A |
| article html file updated | 10 June 2019 09:37 CEST | Original file | N/A |
| article pdf uploaded. | 10 June 2019 09:36 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/11/2199/pdf |
| article xml uploaded. | 10 June 2019 09:36 CEST | Update | https://www.mdpi.com/1996-1073/12/11/2199/xml |
| article xml file uploaded | 10 June 2019 09:36 CEST | Original file | N/A |
