| article html file updated | 11 February 2020 09:41 CET | Update | https://www.mdpi.com/2226-471X/4/1/5 |
| article html file updated | 27 April 2019 05:02 CEST | Update | - |
| article html file updated | 13 April 2019 01:06 CEST | Update | - |
| article html file updated | 3 April 2019 05:15 CEST | Update | - |
| article html file updated | 18 January 2019 01:49 CET | Original file | - |
| article pdf uploaded. | 17 January 2019 11:21 CET | Version of Record | https://www.mdpi.com/2226-471X/4/1/5/pdf |
| article xml uploaded. | 17 January 2019 11:21 CET | Update | https://www.mdpi.com/2226-471X/4/1/5/xml |
| article xml file uploaded | 17 January 2019 11:21 CET | Original file | - |
