| article html file updated | 12 February 2020 18:20 CET | Update | https://www.mdpi.com/1996-1073/12/11/2181 |
| article html file updated | 21 October 2019 12:58 CEST | Update | - |
| article html file updated | 20 June 2019 16:50 CEST | Update | - |
| article html file updated | 7 June 2019 12:22 CEST | Original file | - |
| article pdf uploaded. | 7 June 2019 12:21 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/11/2181/pdf |
| article xml uploaded. | 7 June 2019 12:21 CEST | Update | https://www.mdpi.com/1996-1073/12/11/2181/xml |
| article xml file uploaded | 7 June 2019 12:21 CEST | Original file | - |
