| article html file updated | 8 February 2020 15:57 CET | Update | https://www.mdpi.com/2227-9032/5/3/56 |
| article html file updated | 27 September 2019 02:08 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:25 CEST | Update | N/A |
| article html file updated | 30 September 2017 12:00 CEST | Update | N/A |
| article html file updated | 12 September 2017 12:02 CEST | Original file | N/A |
| article xml uploaded. | 12 September 2017 12:01 CEST | Original file | https://www.mdpi.com/2227-9032/5/3/56/xml |
| article pdf uploaded. | 12 September 2017 12:01 CEST | Version of Record | https://www.mdpi.com/2227-9032/5/3/56/pdf |
