| article html file updated | 9 February 2020 12:16 CET | Update | https://www.mdpi.com/1996-1073/11/4/820 |
| article html file updated | 2 October 2019 05:26 CEST | Update | - |
| article html file updated | 1 May 2019 06:36 CEST | Update | - |
| article html file updated | 17 April 2019 06:40 CEST | Update | - |
| article html file updated | 29 March 2019 12:08 CET | Update | - |
| article html file updated | 1 May 2018 08:58 CEST | Update | - |
| article html file updated | 3 April 2018 13:51 CEST | Update | - |
| article html file updated | 3 April 2018 13:50 CEST | Update | - |
| article html file updated | 3 April 2018 13:28 CEST | Update | - |
| article html file updated | 3 April 2018 11:17 CEST | Update | - |
| article xml uploaded. | 3 April 2018 08:21 CEST | Update | https://www.mdpi.com/1996-1073/11/4/820/xml |
| article html file updated | 2 April 2018 23:56 CEST | Original file | - |
| article pdf uploaded. | 2 April 2018 16:04 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/820/pdf |
