| article html file updated | 7 February 2020 13:47 CET | Update | https://www.mdpi.com/2227-7080/4/3/25 |
| article html file updated | 5 May 2019 06:17 CEST | Update | - |
| article html file updated | 27 March 2019 14:34 CET | Update | - |
| article html file updated | 24 August 2016 08:37 CEST | Original file | - |
| article xml uploaded. | 24 August 2016 08:35 CEST | Original file | https://www.mdpi.com/2227-7080/4/3/25/xml |
| article pdf uploaded. | 24 August 2016 08:35 CEST | Version of Record | https://www.mdpi.com/2227-7080/4/3/25/pdf |
