| article html file updated | 6 February 2020 00:29 CET | Update | https://www.mdpi.com/1422-0067/14/2/3656 |
| article html file updated | 8 May 2019 08:35 CEST | Update | - |
| article html file updated | 20 March 2019 18:29 CET | Update | - |
| article html file updated | 17 June 2015 06:24 CEST | Update | - |
| article html file updated | 3 December 2013 08:17 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:17 CET | Update | https://www.mdpi.com/1422-0067/14/2/3656/xml |
| article html file updated | 5 March 2013 19:24 CET | Original file | - |
| article xml file uploaded | 5 March 2013 19:24 CET | Original file | - |
| article pdf uploaded. | 7 February 2013 11:58 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/3656/pdf |
