| article html file updated | 5 February 2020 09:35 CET | Update | https://www.mdpi.com/1422-0067/8/10/1039 |
| article html file updated | 9 May 2019 16:56 CEST | Update | N/A |
| article html file updated | 19 March 2019 12:41 CET | Update | N/A |
| article html file updated | 27 December 2013 08:25 CET | Original file | N/A |
| article xml file uploaded | 27 December 2013 08:25 CET | Original file | https://www.mdpi.com/1422-0067/8/10/1039/xml |
