| article html file updated | 7 February 2020 23:59 CET | Update | https://www.mdpi.com/2073-4360/9/2/78 |
| article html file updated | 23 September 2019 11:18 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:02 CEST | Update | N/A |
| article html file updated | 20 March 2019 06:43 CET | Update | N/A |
| article html file updated | 1 March 2017 11:18 CET | Update | N/A |
| article html file updated | 22 February 2017 11:22 CET | Original file | N/A |
| article xml uploaded. | 22 February 2017 11:21 CET | Original file | https://www.mdpi.com/2073-4360/9/2/78/xml |
| article pdf uploaded. | 22 February 2017 11:21 CET | Version of Record | https://www.mdpi.com/2073-4360/9/2/78/pdf |
