| article html file updated | 7 February 2020 07:17 CET | Update | https://www.mdpi.com/2071-1050/8/4/369 |
| article html file updated | 21 September 2019 15:11 CEST | Update | - |
| article html file updated | 5 May 2019 18:36 CEST | Update | - |
| article html file updated | 27 March 2019 01:55 CET | Update | - |
| article html file updated | 29 April 2016 06:00 CEST | Update | - |
| article html file updated | 14 April 2016 14:14 CEST | Original file | - |
| article xml uploaded. | 14 April 2016 14:13 CEST | Original file | https://www.mdpi.com/2071-1050/8/4/369/xml |
| article pdf uploaded. | 14 April 2016 14:13 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/4/369/pdf |
