| article html file updated | 9 February 2020 13:40 CET | Update | https://www.mdpi.com/1996-1073/11/4/917 |
| article html file updated | 2 October 2019 13:59 CEST | Update | N/A |
| article html file updated | 1 May 2019 03:48 CEST | Update | N/A |
| article html file updated | 17 April 2019 04:10 CEST | Update | N/A |
| article html file updated | 29 March 2019 15:19 CET | Update | N/A |
| article html file updated | 1 May 2018 09:30 CEST | Update | N/A |
| article html file updated | 13 April 2018 09:56 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2018 09:55 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/917/pdf |
| article xml uploaded. | 13 April 2018 09:55 CEST | Update | https://www.mdpi.com/1996-1073/11/4/917/xml |
| article xml file uploaded | 13 April 2018 09:55 CEST | Original file | N/A |