| article html file updated | 7 February 2020 07:59 CET | Update | https://www.mdpi.com/2071-1050/8/5/426 |
| article html file updated | 5 May 2019 17:11 CEST | Update | - |
| article html file updated | 27 March 2019 03:21 CET | Update | - |
| article html file updated | 27 May 2016 11:31 CEST | Update | - |
| article html file updated | 29 April 2016 09:09 CEST | Original file | - |
| article xml uploaded. | 29 April 2016 09:08 CEST | Original file | https://www.mdpi.com/2071-1050/8/5/426/xml |
| article pdf uploaded. | 29 April 2016 09:08 CEST | Version of Record | https://www.mdpi.com/2071-1050/8/5/426/pdf |
