| article html file updated | 6 February 2020 18:19 CET | Update | https://www.mdpi.com/2071-1050/7/5/5471 |
| article html file updated | 20 September 2019 20:57 CEST | Update | - |
| article html file updated | 6 May 2019 20:40 CEST | Update | - |
| article html file updated | 26 March 2019 01:56 CET | Update | - |
| article html file updated | 21 August 2015 11:35 CEST | Update | - |
| article html file updated | 1 June 2015 09:12 CEST | Original file | - |
| article xml file uploaded | 1 June 2015 09:12 CEST | Original file | https://www.mdpi.com/2071-1050/7/5/5471/xml |
| article pdf uploaded. | 5 May 2015 10:59 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/5/5471/pdf |
