| article html file updated | 6 February 2020 14:43 CET | Update | https://www.mdpi.com/2072-4292/7/1/72 |
| article html file updated | 7 May 2019 03:26 CEST | Update | N/A |
| article html file updated | 25 March 2019 19:44 CET | Update | N/A |
| article html file updated | 21 August 2015 04:45 CEST | Update | N/A |
| article html file updated | 29 January 2015 07:39 CET | Original file | N/A |
| article xml file uploaded | 29 January 2015 07:39 CET | Original file | https://www.mdpi.com/2072-4292/7/1/72/xml |
| article pdf uploaded. | 24 December 2014 10:56 CET | Version of Record | https://www.mdpi.com/2072-4292/7/1/72/pdf |
