| article html file updated | 6 February 2020 01:56 CET | Update | https://www.mdpi.com/1422-0067/14/5/9767 |
| article html file updated | 8 May 2019 05:29 CEST | Update | N/A |
| article html file updated | 20 March 2019 22:09 CET | Update | N/A |
| article html file updated | 17 June 2015 09:03 CEST | Update | N/A |
| article html file updated | 25 July 2013 15:09 CEST | Update | N/A |
| article xml file uploaded | 25 July 2013 15:09 CEST | Update | https://www.mdpi.com/1422-0067/14/5/9767/xml |
| article html file updated | 10 June 2013 09:11 CEST | Original file | N/A |
| article xml file uploaded | 10 June 2013 09:10 CEST | Original file | N/A |
| article pdf uploaded. | 14 May 2013 15:08 CEST | Updated version of record | https://www.mdpi.com/1422-0067/14/5/9767/pdf |
| article pdf uploaded. | 7 May 2013 12:08 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/5/9767/pdf-vor |
