| article html file updated | 6 February 2020 04:28 CET | Update | https://www.mdpi.com/1422-0067/14/9/19257 |
| article html file updated | 8 May 2019 00:15 CEST | Update | - |
| article html file updated | 21 March 2019 04:47 CET | Update | - |
| article html file updated | 17 June 2015 13:21 CEST | Update | - |
| article html file updated | 31 October 2013 10:25 CET | Update | - |
| article xml file uploaded | 31 October 2013 10:25 CET | Update | https://www.mdpi.com/1422-0067/14/9/19257/xml |
| article html file updated | 14 October 2013 13:11 CEST | Original file | - |
| article xml file uploaded | 14 October 2013 13:10 CEST | Original file | - |
| article pdf uploaded. | 23 September 2013 07:59 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/9/19257/pdf |
