| article html file updated | 7 February 2020 13:19 CET | Update | https://www.mdpi.com/2071-1050/8/8/804 |
| article html file updated | 5 May 2019 07:08 CEST | Update | - |
| article html file updated | 27 March 2019 13:37 CET | Update | - |
| article html file updated | 26 August 2016 10:46 CEST | Update | - |
| article html file updated | 15 August 2016 08:33 CEST | Original file | - |
| article xml uploaded. | 15 August 2016 08:32 CEST | Original file | https://www.mdpi.com/2071-1050/8/8/804/xml |
| article pdf uploaded. | 15 August 2016 08:32 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/8/804/pdf |
