| article html file updated | 9 February 2020 21:33 CET | Update | https://www.mdpi.com/1996-1073/11/6/1568 |
| article html file updated | 4 October 2019 14:52 CEST | Update | - |
| article html file updated | 30 April 2019 10:42 CEST | Update | - |
| article html file updated | 16 April 2019 11:08 CEST | Update | - |
| article html file updated | 16 April 2019 06:03 CEST | Update | - |
| article html file updated | 30 March 2019 10:59 CET | Update | - |
| article html file updated | 27 June 2018 18:40 CEST | Update | - |
| article html file updated | 14 June 2018 15:17 CEST | Original file | - |
| article pdf uploaded. | 14 June 2018 15:15 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/6/1568/pdf |
| article xml uploaded. | 14 June 2018 15:15 CEST | Update | https://www.mdpi.com/1996-1073/11/6/1568/xml |
| article xml file uploaded | 14 June 2018 15:15 CEST | Original file | - |
