| article html file updated | 6 February 2020 00:32 CET | Update | https://www.mdpi.com/1422-0067/14/2/3874 |
| article html file updated | 8 May 2019 08:27 CEST | Update | - |
| article html file updated | 20 March 2019 18:37 CET | Update | - |
| article html file updated | 17 June 2015 06:35 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/1422-0067/14/2/3874/xml |
| article html file updated | 5 March 2013 19:37 CET | Original file | - |
| article xml file uploaded | 5 March 2013 19:35 CET | Original file | - |
| article pdf uploaded. | 13 February 2013 14:33 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/2/3874/pdf |
| article pdf uploaded. | 13 February 2013 14:32 CET | Updated version of record | - |
| article pdf uploaded. | 13 February 2013 08:02 CET | Version of Record | - |
