| article html file updated | 12 February 2020 17:32 CET | Update | https://www.mdpi.com/1996-1073/12/11/2139 |
| article html file updated | 21 October 2019 07:39 CEST | Update | - |
| article html file updated | 20 June 2019 16:38 CEST | Update | - |
| article html file updated | 4 June 2019 11:23 CEST | Original file | - |
| article pdf uploaded. | 4 June 2019 11:21 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/11/2139/pdf |
| article xml uploaded. | 4 June 2019 11:21 CEST | Update | https://www.mdpi.com/1996-1073/12/11/2139/xml |
| article xml file uploaded | 4 June 2019 11:21 CEST | Original file | - |
