| article html file updated | 7 February 2020 14:39 CET | Update | https://www.mdpi.com/2076-0760/5/3/48 |
| article html file updated | 5 May 2019 04:43 CEST | Update | N/A |
| article html file updated | 8 September 2016 10:45 CEST | Original file | N/A |
| article xml uploaded. | 8 September 2016 10:44 CEST | Original file | https://www.mdpi.com/2076-0760/5/3/48/xml |
| article pdf uploaded. | 8 September 2016 10:44 CEST | Version of Record | https://www.mdpi.com/2076-0760/5/3/48/pdf |
