| article html file updated | 7 February 2020 22:51 CET | Update | https://www.mdpi.com/2072-6694/9/2/17 |
| article html file updated | 23 September 2019 04:57 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:20 CEST | Update | N/A |
| article html file updated | 2 March 2017 08:55 CET | Update | N/A |
| article html file updated | 8 February 2017 11:19 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 10:35 CET | Original file | https://www.mdpi.com/2072-6694/9/2/17/xml |
| article pdf uploaded. | 8 February 2017 10:35 CET | Version of Record | https://www.mdpi.com/2072-6694/9/2/17/pdf |
