| article html file updated | 6 February 2020 05:56 CET | Update | https://www.mdpi.com/1422-0067/14/12/23629 |
| article html file updated | 7 May 2019 21:21 CEST | Update | N/A |
| article html file updated | 21 March 2019 08:43 CET | Update | N/A |
| article html file updated | 19 August 2015 12:11 CEST | Update | N/A |
| article html file updated | 31 December 2013 09:20 CET | Original file | N/A |
| article xml file uploaded | 31 December 2013 09:20 CET | Original file | https://www.mdpi.com/1422-0067/14/12/23629/xml |
| article pdf uploaded. | 5 December 2013 14:55 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/12/23629/pdf |
| article pdf uploaded. | 3 December 2013 14:03 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/23629/pdf-vor |