| article html file updated | 7 February 2020 20:25 CET | Update | https://www.mdpi.com/2076-3298/4/1/3 |
| article html file updated | 22 September 2019 15:51 CEST | Update | - |
| article html file updated | 4 May 2019 17:34 CEST | Update | - |
| article html file updated | 29 March 2017 10:26 CEST | Update | - |
| article html file updated | 28 December 2016 09:36 CET | Original file | - |
| article xml uploaded. | 28 December 2016 09:35 CET | Update | https://www.mdpi.com/2076-3298/4/1/3/xml |
| article xml uploaded. | 28 December 2016 09:35 CET | Original file | - |
| article pdf uploaded. | 28 December 2016 09:35 CET | Version of Record | https://www.mdpi.com/2076-3298/4/1/3/pdf |
