| article html file updated | 6 February 2020 00:29 CET | Update | https://www.mdpi.com/1422-0067/14/2/3556 |
| article html file updated | 8 May 2019 08:36 CEST | Update | - |
| article html file updated | 20 March 2019 18:28 CET | Update | - |
| article html file updated | 17 June 2015 06:23 CEST | Update | - |
| article html file updated | 3 December 2013 08:16 CET | Update | - |
| article xml file uploaded | 3 December 2013 08:16 CET | Update | https://www.mdpi.com/1422-0067/14/2/3556/xml |
| article html file updated | 5 March 2013 19:22 CET | Original file | - |
| article xml file uploaded | 5 March 2013 19:21 CET | Original file | - |
| article pdf uploaded. | 7 February 2013 11:26 CET | Version of Record | https://www.mdpi.com/1422-0067/14/2/3556/pdf |
