| article html file updated | 8 February 2020 16:24 CET | Update | https://www.mdpi.com/2072-6651/9/9/287 |
| article html file updated | 27 September 2019 04:39 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:36 CEST | Update | N/A |
| article html file updated | 30 September 2017 13:44 CEST | Update | N/A |
| article html file updated | 16 September 2017 10:45 CEST | Original file | N/A |
| article xml uploaded. | 16 September 2017 10:44 CEST | Original file | https://www.mdpi.com/2072-6651/9/9/287/xml |
| article pdf uploaded. | 16 September 2017 10:44 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/9/287/pdf |
