| article html file updated | 9 February 2020 13:46 CET | Update | https://www.mdpi.com/1996-1073/11/4/931 |
| article html file updated | 2 October 2019 14:42 CEST | Update | N/A |
| article html file updated | 1 May 2019 03:35 CEST | Update | N/A |
| article html file updated | 17 April 2019 03:58 CEST | Update | N/A |
| article html file updated | 29 March 2019 15:34 CET | Update | N/A |
| article html file updated | 1 May 2018 09:36 CEST | Update | N/A |
| article html file updated | 17 April 2018 12:27 CEST | Original file | N/A |
| article pdf uploaded. | 17 April 2018 12:26 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/931/pdf |
| article xml uploaded. | 17 April 2018 12:26 CEST | Update | https://www.mdpi.com/1996-1073/11/4/931/xml |
| article xml file uploaded | 17 April 2018 12:26 CEST | Original file | N/A |
