| article html file updated | 11 February 2020 17:32 CET | Update | https://www.mdpi.com/2218-273X/9/2/74 |
| article html file updated | 26 April 2019 13:38 CEST | Update | N/A |
| article html file updated | 12 April 2019 09:10 CEST | Update | N/A |
| article html file updated | 4 April 2019 00:30 CEST | Update | N/A |
| article html file updated | 4 March 2019 02:47 CET | Update | N/A |
| article html file updated | 1 March 2019 07:49 CET | Update | N/A |
| article html file updated | 21 February 2019 02:43 CET | Original file | N/A |
| article xml uploaded. | 20 February 2019 17:07 CET | Original file | https://www.mdpi.com/2218-273X/9/2/74/xml |
| article pdf uploaded. | 20 February 2019 17:07 CET | Version of Record | https://www.mdpi.com/2218-273X/9/2/74/pdf |
