| article html file updated | 6 February 2020 18:13 CET | Update | https://www.mdpi.com/2071-1050/7/5/5321 |
| article html file updated | 6 May 2019 20:51 CEST | Update | - |
| article html file updated | 26 March 2019 01:45 CET | Update | - |
| article html file updated | 21 August 2015 11:27 CEST | Update | - |
| article html file updated | 19 May 2015 11:21 CEST | Original file | - |
| article xml file uploaded | 19 May 2015 11:21 CEST | Original file | https://www.mdpi.com/2071-1050/7/5/5321/xml |
| article pdf uploaded. | 30 April 2015 11:51 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/5/5321/pdf |
