| article html file updated | 7 February 2020 07:54 CET | Update | https://www.mdpi.com/2072-6643/8/5/255 |
| article html file updated | 5 May 2019 17:20 CEST | Update | - |
| article html file updated | 27 March 2019 03:13 CET | Update | - |
| article html file updated | 27 May 2016 12:24 CEST | Update | - |
| article html file updated | 28 April 2016 08:17 CEST | Original file | - |
| article xml uploaded. | 28 April 2016 08:15 CEST | Update | https://www.mdpi.com/2072-6643/8/5/255/xml |
| article pdf uploaded. | 28 April 2016 08:15 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/5/255/pdf |
