| article html file updated | 7 February 2020 08:06 CET | Update | https://www.mdpi.com/2076-3298/3/2/12 |
| article html file updated | 5 May 2019 16:57 CEST | Update | - |
| article html file updated | 27 March 2019 03:34 CET | Update | - |
| article html file updated | 29 June 2016 10:47 CEST | Update | - |
| article html file updated | 3 May 2016 08:09 CEST | Original file | - |
| article xml uploaded. | 3 May 2016 08:08 CEST | Original file | https://www.mdpi.com/2076-3298/3/2/12/xml |
| article pdf uploaded. | 3 May 2016 08:08 CEST | Version of Record | https://www.mdpi.com/2076-3298/3/2/12/pdf |
