| article html file updated | 6 February 2020 02:54 CET | Update | https://www.mdpi.com/1422-0067/14/7/13704 |
| article html file updated | 8 May 2019 03:27 CEST | Update | N/A |
| article html file updated | 21 March 2019 00:31 CET | Update | N/A |
| article html file updated | 17 June 2015 10:45 CEST | Update | N/A |
| article html file updated | 14 August 2013 10:02 CEST | Original file | N/A |
| article xml file uploaded | 14 August 2013 10:01 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/13704/xml |
| article pdf uploaded. | 1 July 2013 13:51 CEST | Updated version of record | https://www.mdpi.com/1422-0067/14/7/13704/pdf |
