| article html file updated | 6 February 2020 04:15 CET | Update | https://www.mdpi.com/1422-0067/14/9/18502 |
| article html file updated | 8 May 2019 00:43 CEST | Update | - |
| article html file updated | 21 March 2019 04:16 CET | Update | - |
| article html file updated | 17 June 2015 13:01 CEST | Update | - |
| article html file updated | 31 October 2013 10:17 CET | Update | - |
| article xml file uploaded | 31 October 2013 10:16 CET | Update | https://www.mdpi.com/1422-0067/14/9/18502/xml |
| article html file updated | 14 October 2013 12:49 CEST | Original file | - |
| article xml file uploaded | 14 October 2013 12:49 CEST | Original file | - |
| article supplementary file uploaded. | 9 September 2013 11:54 CEST | - | https://www.mdpi.com/1422-0067/14/9/18502#supplementary |
| article pdf uploaded. | 9 September 2013 11:54 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/9/18502/pdf |
