| article html file updated | 7 February 2020 20:19 CET | Update | https://www.mdpi.com/2076-3417/7/1/26 |
| article html file updated | 22 September 2019 15:18 CEST | Update | - |
| article html file updated | 4 May 2019 17:46 CEST | Update | - |
| article html file updated | 8 February 2017 09:01 CET | Update | - |
| article html file updated | 26 December 2016 12:09 CET | Original file | - |
| article xml uploaded. | 26 December 2016 12:08 CET | Update | https://www.mdpi.com/2076-3417/7/1/26/xml |
| article xml uploaded. | 26 December 2016 12:08 CET | Original file | - |
| article pdf uploaded. | 26 December 2016 12:08 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/26/pdf |
