| article html file updated | 6 February 2020 18:17 CET | Update | https://www.mdpi.com/2071-1050/7/5/5398 |
| article html file updated | 6 May 2019 20:44 CEST | Update | - |
| article html file updated | 26 March 2019 01:52 CET | Update | - |
| article html file updated | 21 August 2015 11:32 CEST | Update | - |
| article html file updated | 26 June 2015 11:36 CEST | Original file | - |
| article xml file uploaded | 26 June 2015 11:36 CEST | Original file | https://www.mdpi.com/2071-1050/7/5/5398/xml |
| article pdf uploaded. | 4 May 2015 10:42 CEST | Version of Record | https://www.mdpi.com/2071-1050/7/5/5398/pdf |
