| article html file updated | 7 February 2020 02:33 CET | Update | https://www.mdpi.com/2072-4292/8/1/3 |
| article html file updated | 6 May 2019 04:18 CEST | Update | - |
| article html file updated | 26 March 2019 17:00 CET | Original file | - |
| article pdf uploaded. | 23 December 2015 09:11 CET | Updated version of record | https://www.mdpi.com/2072-4292/8/1/3/pdf |
| article pdf uploaded. | 22 December 2015 15:38 CET | Updated version of record | https://www.mdpi.com/2072-4292/8/1/3/pdf-vor |
| article pdf uploaded. | 22 December 2015 14:13 CET | Version of Record | https://www.mdpi.com/2072-4292/8/1/3/pdf-vor |
| article xml uploaded. | 22 December 2015 14:13 CET | Original file | https://www.mdpi.com/2072-4292/8/1/3/xml |
