| article html file updated | 7 February 2020 06:50 CET | Update | https://www.mdpi.com/2072-6643/8/4/200 |
| article html file updated | 21 September 2019 14:31 CEST | Update | - |
| article html file updated | 5 May 2019 19:34 CEST | Update | - |
| article html file updated | 27 March 2019 01:03 CET | Update | - |
| article html file updated | 28 April 2016 09:23 CEST | Update | - |
| article html file updated | 5 April 2016 11:51 CEST | Original file | - |
| article xml uploaded. | 5 April 2016 11:50 CEST | Original file | https://www.mdpi.com/2072-6643/8/4/200/xml |
| article pdf uploaded. | 5 April 2016 11:50 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/4/200/pdf |
