| article html file updated | 11 February 2020 16:33 CET | Update | https://www.mdpi.com/2075-4663/7/2/44 |
| article html file updated | 15 October 2019 02:51 CEST | Update | N/A |
| article html file updated | 26 April 2019 15:45 CEST | Update | N/A |
| article html file updated | 12 April 2019 11:28 CEST | Update | N/A |
| article html file updated | 3 April 2019 21:47 CEST | Update | N/A |
| article html file updated | 5 March 2019 09:23 CET | Update | N/A |
| article html file updated | 1 March 2019 02:57 CET | Update | N/A |
| article html file updated | 16 February 2019 10:27 CET | Original file | N/A |
| article pdf uploaded. | 16 February 2019 10:24 CET | Version of Record | https://www.mdpi.com/2075-4663/7/2/44/pdf |
| article xml uploaded. | 16 February 2019 10:24 CET | Update | https://www.mdpi.com/2075-4663/7/2/44/xml |
| article xml file uploaded | 16 February 2019 10:24 CET | Original file | N/A |
