| article html file updated | 7 February 2020 14:22 CET | Update | https://www.mdpi.com/2072-6643/8/9/541 |
| article html file updated | 5 May 2019 05:14 CEST | Update | - |
| article html file updated | 27 March 2019 15:52 CET | Update | - |
| article html file updated | 14 October 2016 08:33 CEST | Update | - |
| article html file updated | 27 September 2016 11:35 CEST | Update | - |
| article html file updated | 2 September 2016 13:22 CEST | Original file | - |
| article xml uploaded. | 2 September 2016 13:20 CEST | Original file | https://www.mdpi.com/2072-6643/8/9/541/xml |
| article pdf uploaded. | 2 September 2016 13:20 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/9/541/pdf |
