| article html file updated | 7 February 2020 19:30 CET | Update | https://www.mdpi.com/2072-6643/8/12/804 |
| article html file updated | 22 September 2019 10:53 CEST | Update | - |
| article html file updated | 4 May 2019 19:28 CEST | Update | - |
| article html file updated | 28 December 2016 05:22 CET | Update | - |
| article html file updated | 13 December 2016 08:10 CET | Original file | - |
| article xml uploaded. | 13 December 2016 08:09 CET | Update | https://www.mdpi.com/2072-6643/8/12/804/xml |
| article xml uploaded. | 13 December 2016 08:09 CET | Original file | - |
| article pdf uploaded. | 13 December 2016 08:09 CET | Version of Record | https://www.mdpi.com/2072-6643/8/12/804/pdf |
