| article html file updated | 8 February 2020 01:40 CET | Update | https://www.mdpi.com/1999-4907/8/3/86 |
| article html file updated | 23 September 2019 20:59 CEST | Update | - |
| article html file updated | 4 May 2019 06:15 CEST | Update | - |
| article html file updated | 28 March 2017 03:53 CEST | Update | - |
| article html file updated | 17 March 2017 11:36 CET | Original file | - |
| article xml uploaded. | 17 March 2017 11:34 CET | Update | https://www.mdpi.com/1999-4907/8/3/86/xml |
| article pdf uploaded. | 17 March 2017 11:34 CET | Version of Record | https://www.mdpi.com/1999-4907/8/3/86/pdf |
