| article html file updated | 6 February 2020 07:19 CET | Update | https://www.mdpi.com/2072-4292/6/2/1451 |
| article html file updated | 7 May 2019 18:33 CEST | Update | - |
| article html file updated | 21 March 2019 12:27 CET | Update | - |
| article html file updated | 19 August 2015 20:42 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/2072-4292/6/2/1451/xml |
| article html file updated | 20 March 2014 10:24 CET | Original file | - |
| article xml file uploaded | 20 March 2014 10:24 CET | Original file | - |
| article pdf uploaded. | 18 February 2014 12:12 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/2/1451/pdf |
| article pdf uploaded. | 18 February 2014 12:11 CET | Version of Record | - |
