| article html file updated | 7 February 2020 15:13 CET | Update | https://www.mdpi.com/2072-6643/8/9/578 |
| article html file updated | 5 May 2019 03:41 CEST | Update | N/A |
| article html file updated | 27 September 2016 11:46 CEST | Update | N/A |
| article html file updated | 20 September 2016 11:50 CEST | Original file | N/A |
| article xml uploaded. | 20 September 2016 11:49 CEST | Update | https://www.mdpi.com/2072-6643/8/9/578/xml |
| article xml uploaded. | 20 September 2016 11:49 CEST | Original file | N/A |
| article pdf uploaded. | 20 September 2016 11:49 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/9/578/pdf |
