| article html file updated | 7 February 2020 22:58 CET | Update | https://www.mdpi.com/2076-3298/4/1/14 |
| article html file updated | 23 September 2019 05:34 CEST | Update | - |
| article html file updated | 4 May 2019 12:06 CEST | Update | - |
| article html file updated | 29 March 2017 10:27 CEST | Update | - |
| article html file updated | 9 February 2017 10:34 CET | Update | - |
| article html file updated | 9 February 2017 10:34 CET | Update | - |
| article html file updated | 9 February 2017 10:33 CET | Original file | - |
| article xml uploaded. | 9 February 2017 10:32 CET | Original file | https://www.mdpi.com/2076-3298/4/1/14/xml |
| article pdf uploaded. | 9 February 2017 10:32 CET | Version of Record | https://www.mdpi.com/2076-3298/4/1/14/pdf |
