| article html file updated | 8 February 2020 04:39 CET | Update | https://www.mdpi.com/1999-4907/8/5/147 |
| article html file updated | 24 September 2019 13:43 CEST | Update | - |
| article html file updated | 4 May 2019 00:14 CEST | Update | - |
| article html file updated | 31 May 2017 06:52 CEST | Update | - |
| article html file updated | 28 April 2017 15:35 CEST | Original file | - |
| article xml uploaded. | 28 April 2017 15:33 CEST | Original file | https://www.mdpi.com/1999-4907/8/5/147/xml |
| article pdf uploaded. | 28 April 2017 15:33 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/5/147/pdf |
