| article html file updated | 8 February 2020 00:52 CET | Update | https://www.mdpi.com/2226-4787/5/1/14 |
| article html file updated | 23 September 2019 16:25 CEST | Update | - |
| article html file updated | 4 May 2019 08:01 CEST | Update | - |
| article html file updated | 28 March 2017 11:56 CEST | Update | - |
| article html file updated | 6 March 2017 11:18 CET | Original file | - |
| article xml uploaded. | 6 March 2017 11:17 CET | Original file | https://www.mdpi.com/2226-4787/5/1/14/xml |
| article pdf uploaded. | 6 March 2017 11:17 CET | Version of Record | https://www.mdpi.com/2226-4787/5/1/14/pdf |
