| article html file updated | 7 February 2020 18:45 CET | Update | https://www.mdpi.com/2076-328X/6/4/26 |
| article html file updated | 22 September 2019 07:29 CEST | Update | - |
| article html file updated | 4 May 2019 21:04 CEST | Update | - |
| article html file updated | 29 December 2016 06:09 CET | Update | - |
| article html file updated | 2 December 2016 00:25 CET | Original file | - |
| article xml uploaded. | 1 December 2016 11:09 CET | Update | https://www.mdpi.com/2076-328X/6/4/26/xml |
| article xml uploaded. | 1 December 2016 11:07 CET | Original file | - |
| article pdf uploaded. | 1 December 2016 11:07 CET | Updated version of record | https://www.mdpi.com/2076-328X/6/4/26/pdf |
| article pdf uploaded. | 29 November 2016 14:35 CET | Version of Record | - |
