| article html file updated | 10 February 2020 11:21 CET | Update | https://www.mdpi.com/1996-1073/11/9/2469 |
| article html file updated | 7 October 2019 23:26 CEST | Update | N/A |
| article html file updated | 29 April 2019 04:53 CEST | Update | N/A |
| article html file updated | 15 April 2019 00:24 CEST | Update | N/A |
| article html file updated | 31 March 2019 19:45 CEST | Update | N/A |
| article html file updated | 25 September 2018 14:29 CEST | Update | N/A |
| article html file updated | 17 September 2018 14:11 CEST | Original file | N/A |
| article pdf uploaded. | 17 September 2018 12:39 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/9/2469/pdf |
| article xml uploaded. | 17 September 2018 12:39 CEST | Update | https://www.mdpi.com/1996-1073/11/9/2469/xml |
| article xml file uploaded | 17 September 2018 12:39 CEST | Original file | N/A |