| article html file updated | 8 February 2020 14:40 CET | Update | https://www.mdpi.com/2226-4787/5/3/48 |
| article html file updated | 26 September 2019 19:11 CEST | Update | - |
| article html file updated | 3 May 2019 04:47 CEST | Update | - |
| article html file updated | 30 September 2017 15:41 CEST | Update | - |
| article html file updated | 28 August 2017 12:48 CEST | Original file | - |
| article xml uploaded. | 28 August 2017 12:47 CEST | Original file | https://www.mdpi.com/2226-4787/5/3/48/xml |
| article pdf uploaded. | 28 August 2017 12:47 CEST | Version of Record | https://www.mdpi.com/2226-4787/5/3/48/pdf |
