| article html file updated | 6 February 2020 06:35 CET | Update | https://www.mdpi.com/2072-4292/6/1/555 |
| article html file updated | 7 May 2019 20:07 CEST | Update | - |
| article html file updated | 21 March 2019 10:37 CET | Update | - |
| article html file updated | 19 August 2015 16:33 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/2072-4292/6/1/555/xml |
| article html file updated | 6 February 2014 08:47 CET | Original file | - |
| article xml file uploaded | 6 February 2014 08:46 CET | Original file | - |
| article pdf uploaded. | 7 January 2014 16:39 CET | Updated version of record | https://www.mdpi.com/2072-4292/6/1/555/pdf |
| article pdf uploaded. | 6 January 2014 10:27 CET | Version of Record | https://www.mdpi.com/2072-4292/6/1/555/pdf-vor |
