| article html file updated | 8 February 2020 20:26 CET | Update | https://www.mdpi.com/2313-0105/3/4/35 |
| article html file updated | 28 September 2019 06:30 CEST | Update | - |
| article html file updated | 2 May 2019 16:43 CEST | Update | - |
| article html file updated | 6 November 2017 14:26 CET | Original file | - |
| article xml uploaded. | 6 November 2017 14:25 CET | Update | https://www.mdpi.com/2313-0105/3/4/35/xml |
| article xml uploaded. | 6 November 2017 14:25 CET | Original file | - |
| article pdf uploaded. | 6 November 2017 14:25 CET | Version of Record | https://www.mdpi.com/2313-0105/3/4/35/pdf |
