| article html file updated | 6 February 2020 14:20 CET | Update | https://www.mdpi.com/1422-0067/15/12/22902 |
| article html file updated | 7 May 2019 04:13 CEST | Update | - |
| article html file updated | 25 March 2019 19:02 CET | Update | - |
| article html file updated | 21 August 2015 03:50 CEST | Update | - |
| article html file updated | 6 January 2015 09:17 CET | Original file | - |
| article xml file uploaded | 6 January 2015 09:17 CET | Original file | https://www.mdpi.com/1422-0067/15/12/22902/xml |
| article pdf uploaded. | 10 December 2014 11:52 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/22902/pdf |
