| article html file updated | 11 February 2020 18:15 CET | Update | https://www.mdpi.com/1996-1073/12/4/751 |
| article html file updated | 15 October 2019 13:39 CEST | Update | N/A |
| article html file updated | 26 April 2019 12:03 CEST | Update | N/A |
| article html file updated | 12 April 2019 07:32 CEST | Update | N/A |
| article html file updated | 4 April 2019 02:36 CEST | Update | N/A |
| article html file updated | 1 March 2019 17:40 CET | Update | N/A |
| article html file updated | 1 March 2019 11:37 CET | Update | N/A |
| article html file updated | 25 February 2019 13:15 CET | Update | N/A |
| article pdf uploaded. | 25 February 2019 13:14 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/4/751/pdf |
| article xml uploaded. | 25 February 2019 13:14 CET | Update | https://www.mdpi.com/1996-1073/12/4/751/xml |
| article xml file uploaded | 25 February 2019 13:14 CET | Update | N/A |
| article html file updated | 24 February 2019 09:19 CET | Original file | N/A |
| article pdf uploaded. | 24 February 2019 09:17 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/751/pdf-vor |
| article xml uploaded. | 24 February 2019 09:17 CET | Update | N/A |
| article xml file uploaded | 24 February 2019 09:17 CET | Original file | N/A |