| article html file updated | 7 February 2020 22:45 CET | Update | https://www.mdpi.com/2072-4292/9/2/131 |
| article html file updated | 23 September 2019 04:26 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:32 CEST | Update | N/A |
| article html file updated | 2 March 2017 08:45 CET | Update | N/A |
| article html file updated | 6 February 2017 14:31 CET | Original file | N/A |
| article xml uploaded. | 6 February 2017 14:30 CET | Original file | https://www.mdpi.com/2072-4292/9/2/131/xml |
| article pdf uploaded. | 6 February 2017 14:30 CET | Version of Record | https://www.mdpi.com/2072-4292/9/2/131/pdf |
