| article html file updated | 5 February 2020 23:56 CET | Update | https://www.mdpi.com/1422-0067/14/1/1516 |
| article html file updated | 8 May 2019 09:56 CEST | Update | - |
| article html file updated | 20 March 2019 17:04 CET | Update | - |
| article html file updated | 17 June 2015 05:27 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/1422-0067/14/1/1516/xml |
| article html file updated | 8 February 2013 12:40 CET | Original file | - |
| article xml file uploaded | 8 February 2013 12:38 CET | Original file | - |
