| article html file updated | 7 February 2020 08:57 CET | Update | https://www.mdpi.com/2071-1050/8/5/491 |
| article html file updated | 5 May 2019 15:20 CEST | Update | - |
| article html file updated | 27 March 2019 05:09 CET | Update | - |
| article html file updated | 27 May 2016 11:52 CEST | Update | - |
| article html file updated | 19 May 2016 10:46 CEST | Original file | - |
| article xml uploaded. | 19 May 2016 10:45 CEST | Update | https://www.mdpi.com/2071-1050/8/5/491/xml |
| article pdf uploaded. | 19 May 2016 10:45 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/5/491/pdf |
