| article html file updated | 7 February 2020 23:38 CET | Update | https://www.mdpi.com/2072-6643/9/2/154 |
| article html file updated | 23 September 2019 09:18 CEST | Update | - |
| article html file updated | 4 May 2019 10:47 CEST | Update | - |
| article html file updated | 2 March 2017 03:54 CET | Update | - |
| article html file updated | 17 February 2017 14:15 CET | Original file | - |
| article xml uploaded. | 17 February 2017 14:14 CET | Update | https://www.mdpi.com/2072-6643/9/2/154/xml |
| article xml uploaded. | 17 February 2017 14:14 CET | Original file | - |
| article pdf uploaded. | 17 February 2017 14:14 CET | Version of Record | https://www.mdpi.com/2072-6643/9/2/154/pdf |
