| article html file updated | 12 February 2020 18:00 CET | Update | https://www.mdpi.com/1996-1073/12/11/2168 |
| article html file updated | 21 October 2019 10:39 CEST | Update | - |
| article html file updated | 20 June 2019 16:47 CEST | Update | - |
| article html file updated | 6 June 2019 08:24 CEST | Original file | - |
| article pdf uploaded. | 6 June 2019 08:23 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/11/2168/pdf |
| article xml uploaded. | 6 June 2019 08:23 CEST | Update | https://www.mdpi.com/1996-1073/12/11/2168/xml |
| article xml file uploaded | 6 June 2019 08:23 CEST | Original file | - |
