| article html file updated | 6 February 2020 14:37 CET | Update | https://www.mdpi.com/1422-0067/15/12/23897 |
| article html file updated | 20 September 2019 16:13 CEST | Update | N/A |
| article html file updated | 7 May 2019 03:38 CEST | Update | N/A |
| article html file updated | 25 March 2019 19:35 CET | Update | N/A |
| article html file updated | 21 August 2015 04:31 CEST | Update | N/A |
| article html file updated | 6 January 2015 09:18 CET | Original file | N/A |
| article xml file uploaded | 6 January 2015 09:18 CET | Original file | https://www.mdpi.com/1422-0067/15/12/23897/xml |
| article pdf uploaded. | 22 December 2014 07:59 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/23897/pdf |
