| article html file updated | 11 February 2020 11:20 CET | Update | https://www.mdpi.com/2079-7737/8/1/7 |
| article html file updated | 27 April 2019 01:53 CEST | Update | N/A |
| article html file updated | 12 April 2019 21:49 CEST | Update | N/A |
| article html file updated | 10 April 2019 22:56 CEST | Update | N/A |
| article html file updated | 3 April 2019 09:00 CEST | Update | N/A |
| article html file updated | 24 January 2019 11:45 CET | Original file | N/A |
| article xml uploaded. | 24 January 2019 11:44 CET | Original file | https://www.mdpi.com/2079-7737/8/1/7/xml |
| article pdf uploaded. | 24 January 2019 11:44 CET | Version of Record | https://www.mdpi.com/2079-7737/8/1/7/pdf |
