| article html file updated | 9 February 2020 21:19 CET | Update | https://www.mdpi.com/1996-1073/11/6/1538 |
| article html file updated | 4 October 2019 13:21 CEST | Update | - |
| article html file updated | 30 April 2019 11:18 CEST | Update | - |
| article html file updated | 16 April 2019 11:43 CEST | Update | - |
| article html file updated | 16 April 2019 06:33 CEST | Update | - |
| article html file updated | 30 March 2019 10:23 CET | Update | - |
| article html file updated | 27 June 2018 18:06 CEST | Update | - |
| article html file updated | 13 June 2018 10:09 CEST | Original file | - |
| article pdf uploaded. | 13 June 2018 10:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/6/1538/pdf |
| article xml uploaded. | 13 June 2018 10:07 CEST | Update | https://www.mdpi.com/1996-1073/11/6/1538/xml |
| article xml file uploaded | 13 June 2018 10:07 CEST | Original file | - |
