| article html file updated | 7 February 2020 20:01 CET | Update | https://www.mdpi.com/2076-3298/3/4/38 |
| article html file updated | 22 September 2019 13:42 CEST | Update | - |
| article html file updated | 4 May 2019 18:23 CEST | Update | - |
| article html file updated | 28 December 2016 11:39 CET | Update | - |
| article html file updated | 21 December 2016 06:57 CET | Original file | - |
| article xml uploaded. | 21 December 2016 06:55 CET | Update | https://www.mdpi.com/2076-3298/3/4/38/xml |
| article xml uploaded. | 21 December 2016 06:55 CET | Original file | - |
| article pdf uploaded. | 21 December 2016 06:55 CET | Version of Record | https://www.mdpi.com/2076-3298/3/4/38/pdf |
