| article html file updated | 8 February 2020 21:11 CET | Update | https://www.mdpi.com/2313-0105/3/4/36 |
| article html file updated | 28 September 2019 11:31 CEST | Update | - |
| article html file updated | 2 May 2019 15:00 CEST | Update | - |
| article html file updated | 14 November 2017 14:35 CET | Original file | - |
| article xml uploaded. | 14 November 2017 14:34 CET | Update | https://www.mdpi.com/2313-0105/3/4/36/xml |
| article xml uploaded. | 14 November 2017 14:34 CET | Original file | - |
| article pdf uploaded. | 14 November 2017 14:34 CET | Version of Record | https://www.mdpi.com/2313-0105/3/4/36/pdf |
