| article html file updated | 11 February 2020 10:01 CET | Update | https://www.mdpi.com/1996-1073/12/2/301 |
| article html file updated | 13 October 2019 14:31 CEST | Update | N/A |
| article html file updated | 27 April 2019 04:22 CEST | Update | N/A |
| article html file updated | 13 April 2019 00:27 CEST | Update | N/A |
| article html file updated | 3 April 2019 06:00 CEST | Update | N/A |
| article html file updated | 29 January 2019 13:06 CET | Update | N/A |
| article html file updated | 23 January 2019 02:47 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2019 12:02 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/301/pdf |
| article xml uploaded. | 22 January 2019 12:02 CET | Update | https://www.mdpi.com/1996-1073/12/2/301/xml |
| article xml file uploaded | 22 January 2019 12:02 CET | Update | N/A |
| article pdf uploaded. | 18 January 2019 12:38 CET | Updated version of record | N/A |
| article pdf uploaded. | 18 January 2019 12:34 CET | Version of Record | N/A |
| article xml file uploaded | 18 January 2019 12:34 CET | Original file | N/A |