| article html file updated | 9 February 2020 22:11 CET | Update | https://www.mdpi.com/1996-1073/11/6/1612 |
| article html file updated | 4 October 2019 18:46 CEST | Update | - |
| article html file updated | 30 April 2019 09:11 CEST | Update | - |
| article html file updated | 16 April 2019 04:10 CEST | Update | - |
| article html file updated | 30 March 2019 12:34 CET | Update | - |
| article html file updated | 27 June 2018 19:03 CEST | Update | - |
| article html file updated | 20 June 2018 14:24 CEST | Original file | - |
| article pdf uploaded. | 20 June 2018 14:22 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/6/1612/pdf |
| article xml uploaded. | 20 June 2018 14:22 CEST | Update | https://www.mdpi.com/1996-1073/11/6/1612/xml |
| article xml file uploaded | 20 June 2018 14:22 CEST | Original file | - |
