| article html file updated | 7 February 2020 12:24 CET | Update | https://www.mdpi.com/2076-3425/6/3/26 |
| article html file updated | 5 May 2019 08:53 CEST | Update | - |
| article html file updated | 27 March 2019 11:34 CET | Update | - |
| article html file updated | 28 September 2016 11:42 CEST | Update | - |
| article html file updated | 27 July 2016 11:13 CEST | Original file | - |
| article xml uploaded. | 27 July 2016 11:12 CEST | Update | https://www.mdpi.com/2076-3425/6/3/26/xml |
| article pdf uploaded. | 27 July 2016 11:12 CEST | Version of Record | https://www.mdpi.com/2076-3425/6/3/26/pdf |
