| article html file updated | 7 February 2020 22:13 CET | Update | https://www.mdpi.com/2072-6651/9/2/45 |
| article html file updated | 23 September 2019 01:32 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:36 CEST | Update | N/A |
| article html file updated | 1 March 2017 03:39 CET | Update | N/A |
| article html file updated | 25 January 2017 11:02 CET | Original file | N/A |
| article xml uploaded. | 25 January 2017 11:01 CET | Original file | https://www.mdpi.com/2072-6651/9/2/45/xml |
| article pdf uploaded. | 25 January 2017 11:01 CET | Version of Record | https://www.mdpi.com/2072-6651/9/2/45/pdf |
