| article html file updated | 6 February 2020 02:32 CET | Update | https://www.mdpi.com/1422-0067/14/6/12157 |
| article html file updated | 8 May 2019 04:16 CEST | Update | N/A |
| article html file updated | 20 March 2019 23:33 CET | Update | N/A |
| article html file updated | 17 June 2015 10:04 CEST | Update | N/A |
| article html file updated | 30 July 2013 13:50 CEST | Update | N/A |
| article xml file uploaded | 30 July 2013 13:50 CEST | Update | https://www.mdpi.com/1422-0067/14/6/12157/xml |
| article html file updated | 19 July 2013 10:39 CEST | Original file | N/A |
| article xml file uploaded | 19 July 2013 10:39 CEST | Original file | N/A |
| article pdf uploaded. | 6 June 2013 14:52 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/6/12157/pdf |
