| article html file updated | 8 February 2020 04:32 CET | Update | https://www.mdpi.com/1999-4907/8/5/144 |
| article html file updated | 24 September 2019 13:04 CEST | Update | - |
| article html file updated | 4 May 2019 00:28 CEST | Update | - |
| article html file updated | 31 May 2017 06:51 CEST | Update | - |
| article html file updated | 27 April 2017 13:02 CEST | Original file | - |
| article xml uploaded. | 27 April 2017 13:00 CEST | Original file | https://www.mdpi.com/1999-4907/8/5/144/xml |
| article pdf uploaded. | 27 April 2017 13:00 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/5/144/pdf |
