| article html file updated | 9 February 2020 20:51 CET | Update | https://www.mdpi.com/1996-1073/11/6/1506 |
| article html file updated | 4 October 2019 10:31 CEST | Update | - |
| article html file updated | 30 April 2019 12:25 CEST | Update | - |
| article html file updated | 16 April 2019 12:50 CEST | Update | - |
| article html file updated | 16 April 2019 07:30 CEST | Update | - |
| article html file updated | 30 March 2019 09:12 CET | Update | - |
| article html file updated | 27 June 2018 17:27 CEST | Update | - |
| article html file updated | 8 June 2018 18:12 CEST | Original file | - |
| article pdf uploaded. | 8 June 2018 18:10 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/6/1506/pdf |
| article xml uploaded. | 8 June 2018 18:10 CEST | Update | https://www.mdpi.com/1996-1073/11/6/1506/xml |
| article xml file uploaded | 8 June 2018 18:10 CEST | Original file | - |
