| article html file updated | 8 February 2020 05:40 CET | Update | https://www.mdpi.com/1999-4915/9/5/107 |
| article html file updated | 24 September 2019 18:54 CEST | Update | - |
| article html file updated | 3 May 2019 22:25 CEST | Update | - |
| article html file updated | 2 June 2017 08:34 CEST | Update | - |
| article html file updated | 23 May 2017 04:05 CEST | Update | - |
| article html file updated | 12 May 2017 08:58 CEST | Original file | - |
| article xml uploaded. | 12 May 2017 08:56 CEST | Original file | https://www.mdpi.com/1999-4915/9/5/107/xml |
| article pdf uploaded. | 12 May 2017 08:56 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/5/107/pdf |
