| article html file updated | 6 February 2020 06:32 CET | Update | https://www.mdpi.com/1422-0067/15/1/438 |
| article html file updated | 7 May 2019 20:13 CEST | Update | - |
| article html file updated | 21 March 2019 10:26 CET | Update | - |
| article html file updated | 19 August 2015 16:23 CEST | Update | - |
| article html file updated | 3 February 2014 10:38 CET | Original file | - |
| article xml file uploaded | 3 February 2014 10:38 CET | Original file | https://www.mdpi.com/1422-0067/15/1/438/xml |
| article supplementary file uploaded. | 2 January 2014 14:54 CET | - | https://www.mdpi.com/1422-0067/15/1/438#supplementary |
| article pdf uploaded. | 2 January 2014 14:54 CET | Version of Record | https://www.mdpi.com/1422-0067/15/1/438/pdf |