| article html file updated | 7 February 2020 19:40 CET | Update | https://www.mdpi.com/2076-3298/3/4/37 |
| article html file updated | 22 September 2019 11:51 CEST | Update | - |
| article html file updated | 4 May 2019 19:04 CEST | Update | - |
| article html file updated | 28 December 2016 11:38 CET | Update | - |
| article html file updated | 15 December 2016 14:06 CET | Original file | - |
| article xml uploaded. | 15 December 2016 14:04 CET | Original file | https://www.mdpi.com/2076-3298/3/4/37/xml |
| article pdf uploaded. | 15 December 2016 14:04 CET | Version of Record | https://www.mdpi.com/2076-3298/3/4/37/pdf |
