| article html file updated | 6 February 2020 14:10 CET | Update | https://www.mdpi.com/1422-0067/15/12/22392 |
| article html file updated | 7 May 2019 04:31 CEST | Update | N/A |
| article html file updated | 25 March 2019 18:46 CET | Update | N/A |
| article html file updated | 21 August 2015 03:22 CEST | Update | N/A |
| article html file updated | 6 January 2015 09:16 CET | Original file | N/A |
| article xml file uploaded | 6 January 2015 09:16 CET | Original file | https://www.mdpi.com/1422-0067/15/12/22392/xml |
| article pdf uploaded. | 4 December 2014 09:50 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/22392/pdf |
