| article html file updated | 8 February 2020 15:44 CET | Update | https://www.mdpi.com/2227-9032/5/3/55 |
| article html file updated | 3 May 2019 02:48 CEST | Update | - |
| article html file updated | 30 September 2017 12:00 CEST | Update | - |
| article html file updated | 8 September 2017 15:44 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 15:43 CEST | Original file | https://www.mdpi.com/2227-9032/5/3/55/xml |
| article pdf uploaded. | 8 September 2017 15:43 CEST | Version of Record | https://www.mdpi.com/2227-9032/5/3/55/pdf |
