| article html file updated | 8 February 2020 01:24 CET | Update | https://www.mdpi.com/1999-4907/8/3/79 |
| article html file updated | 23 September 2019 19:27 CEST | Update | - |
| article html file updated | 4 May 2019 06:52 CEST | Update | - |
| article html file updated | 28 March 2017 03:45 CEST | Update | - |
| article html file updated | 14 March 2017 09:33 CET | Original file | - |
| article xml uploaded. | 14 March 2017 09:32 CET | Update | https://www.mdpi.com/1999-4907/8/3/79/xml |
| article pdf uploaded. | 14 March 2017 09:32 CET | Version of Record | https://www.mdpi.com/1999-4907/8/3/79/pdf |
