| article html file updated | 7 February 2020 08:50 CET | Update | https://www.mdpi.com/2227-9032/4/2/27 |
| article html file updated | 5 May 2019 15:32 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:57 CET | Update | N/A |
| article html file updated | 1 July 2016 10:17 CEST | Update | N/A |
| article html file updated | 17 May 2016 14:35 CEST | Original file | N/A |
| article xml uploaded. | 17 May 2016 14:34 CEST | Original file | https://www.mdpi.com/2227-9032/4/2/27/xml |
| article pdf uploaded. | 17 May 2016 14:34 CEST | Version of Record | https://www.mdpi.com/2227-9032/4/2/27/pdf |
