| article html file updated | 8 February 2020 04:12 CET | Update | https://www.mdpi.com/2076-3298/4/2/35 |
| article html file updated | 24 September 2019 11:21 CEST | Update | - |
| article html file updated | 4 May 2019 01:03 CEST | Update | - |
| article html file updated | 29 June 2017 11:25 CEST | Update | - |
| article html file updated | 23 April 2017 09:09 CEST | Original file | - |
| article xml uploaded. | 23 April 2017 09:07 CEST | Update | https://www.mdpi.com/2076-3298/4/2/35/xml |
| article pdf uploaded. | 23 April 2017 09:07 CEST | Version of Record | https://www.mdpi.com/2076-3298/4/2/35/pdf |
