| article html file updated | 10 February 2020 00:02 CET | Update | https://www.mdpi.com/2226-4787/6/3/63 |
| article html file updated | 30 April 2019 05:05 CEST | Update | - |
| article html file updated | 16 April 2019 00:23 CEST | Update | - |
| article html file updated | 30 March 2019 17:12 CET | Update | - |
| article html file updated | 22 September 2018 10:55 CEST | Update | - |
| article html file updated | 1 August 2018 12:15 CEST | Update | - |
| article html file updated | 4 July 2018 11:14 CEST | Original file | - |
| article pdf uploaded. | 4 July 2018 11:12 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/3/63/pdf |
| article xml uploaded. | 4 July 2018 11:12 CEST | Update | https://www.mdpi.com/2226-4787/6/3/63/xml |
| article xml file uploaded | 4 July 2018 11:12 CEST | Original file | - |
