| article html file updated | 6 February 2020 10:59 CET | Update | https://www.mdpi.com/1996-1944/7/8/5427 |
| article html file updated | 7 May 2019 11:04 CEST | Update | - |
| article html file updated | 21 March 2019 21:42 CET | Update | - |
| article html file updated | 20 August 2015 13:40 CEST | Update | - |
| article html file updated | 12 September 2014 12:40 CEST | Original file | - |
| article xml file uploaded | 12 September 2014 12:40 CEST | Original file | https://www.mdpi.com/1996-1944/7/8/5427/xml |
| article pdf uploaded. | 24 July 2014 14:04 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/8/5427/pdf |
