| article html file updated | 7 February 2020 01:47 CET | Update | https://www.mdpi.com/2076-3298/2/4/586 |
| article html file updated | 6 May 2019 05:54 CEST | Update | - |
| article html file updated | 26 March 2019 15:46 CET | Original file | - |
| article pdf uploaded. | 7 December 2015 10:57 CET | Updated version of record | https://www.mdpi.com/2076-3298/2/4/586/pdf |
| article pdf uploaded. | 4 December 2015 15:43 CET | Version of Record | https://www.mdpi.com/2076-3298/2/4/586/pdf-vor |
| article xml uploaded. | 4 December 2015 15:43 CET | Original file | https://www.mdpi.com/2076-3298/2/4/586/xml |
