| article html file updated | 6 February 2020 08:16 CET | Update | https://www.mdpi.com/2072-4292/6/4/2898 |
| article html file updated | 7 May 2019 16:36 CEST | Update | - |
| article html file updated | 21 March 2019 14:43 CET | Update | - |
| article html file updated | 20 August 2015 01:39 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/2072-4292/6/4/2898/xml |
| article html file updated | 20 May 2014 13:27 CEST | Original file | - |
| article xml file uploaded | 20 May 2014 13:27 CEST | Original file | - |
| article pdf uploaded. | 31 March 2014 09:43 CEST | Updated version of record | https://www.mdpi.com/2072-4292/6/4/2898/pdf |
