| article html file updated | 11 February 2020 07:04 CET | Update | https://www.mdpi.com/2075-4701/9/1/49 |
| article html file updated | 12 October 2019 23:05 CEST | Update | N/A |
| article html file updated | 27 April 2019 10:40 CEST | Update | N/A |
| article html file updated | 13 April 2019 06:38 CEST | Update | N/A |
| article html file updated | 2 April 2019 22:59 CEST | Update | N/A |
| article html file updated | 1 March 2019 20:30 CET | Update | N/A |
| article html file updated | 30 January 2019 04:16 CET | Update | N/A |
| article html file updated | 7 January 2019 09:03 CET | Original file | N/A |
| article pdf uploaded. | 7 January 2019 09:02 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/49/pdf |
| article xml uploaded. | 7 January 2019 09:02 CET | Update | https://www.mdpi.com/2075-4701/9/1/49/xml |
| article xml file uploaded | 7 January 2019 09:02 CET | Original file | N/A |