| article html file updated | 9 February 2020 12:32 CET | Update | https://www.mdpi.com/1996-1073/11/4/840 |
| article html file updated | 2 October 2019 06:53 CEST | Update | - |
| article html file updated | 1 May 2019 06:05 CEST | Update | - |
| article html file updated | 17 April 2019 06:11 CEST | Update | - |
| article html file updated | 29 March 2019 12:43 CET | Update | - |
| article html file updated | 1 May 2018 09:05 CEST | Update | - |
| article html file updated | 4 April 2018 13:10 CEST | Original file | - |
| article pdf uploaded. | 4 April 2018 13:08 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/840/pdf |
| article xml uploaded. | 4 April 2018 13:08 CEST | Update | https://www.mdpi.com/1996-1073/11/4/840/xml |
| article xml file uploaded | 4 April 2018 13:08 CEST | Original file | - |
