| article html file updated | 5 February 2020 23:59 CET | Update | https://www.mdpi.com/1422-0067/14/1/1698 |
| article html file updated | 8 May 2019 09:51 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:10 CET | Update | N/A |
| article html file updated | 17 June 2015 05:30 CEST | Update | N/A |
| article html file updated | 8 February 2013 12:46 CET | Original file | N/A |
| article xml file uploaded | 8 February 2013 12:45 CET | Original file | https://www.mdpi.com/1422-0067/14/1/1698/xml |
| article pdf uploaded. | 24 January 2013 09:14 CET | Version of Record | https://www.mdpi.com/1422-0067/14/1/1698/pdf |
