| article html file updated | 6 February 2020 06:58 CET | Update | https://www.mdpi.com/1422-0067/15/2/1842 |
| article html file updated | 7 May 2019 19:18 CEST | Update | N/A |
| article html file updated | 21 March 2019 11:38 CET | Update | N/A |
| article html file updated | 19 August 2015 18:51 CEST | Update | N/A |
| article html file updated | 20 March 2014 09:46 CET | Original file | N/A |
| article xml file uploaded | 20 March 2014 09:46 CET | Original file | https://www.mdpi.com/1422-0067/15/2/1842/xml |
| article pdf uploaded. | 29 January 2014 10:29 CET | Updated version of record | https://www.mdpi.com/1422-0067/15/2/1842/pdf |
| article pdf uploaded. | 27 January 2014 14:01 CET | Version of Record | https://www.mdpi.com/1422-0067/15/2/1842/pdf-vor |
