| article html file updated | 8 February 2020 08:25 CET | Update | https://www.mdpi.com/2227-7080/5/2/35 |
| article html file updated | 25 September 2019 09:09 CEST | Update | - |
| article html file updated | 3 May 2019 17:13 CEST | Update | - |
| article html file updated | 29 June 2017 11:58 CEST | Update | - |
| article html file updated | 15 June 2017 14:34 CEST | Original file | - |
| article xml uploaded. | 15 June 2017 14:33 CEST | Original file | https://www.mdpi.com/2227-7080/5/2/35/xml |
| article pdf uploaded. | 15 June 2017 14:33 CEST | Version of Record | https://www.mdpi.com/2227-7080/5/2/35/pdf |
