| article html file updated | 10 February 2020 19:24 CET | Update | https://www.mdpi.com/2226-471X/3/4/41 |
| article html file updated | 28 April 2019 12:48 CEST | Update | - |
| article html file updated | 14 April 2019 08:04 CEST | Update | - |
| article html file updated | 1 April 2019 16:01 CEST | Update | - |
| article html file updated | 2 November 2018 11:47 CET | Original file | - |
| article pdf uploaded. | 2 November 2018 11:45 CET | Version of Record | https://www.mdpi.com/2226-471X/3/4/41/pdf |
| article xml uploaded. | 2 November 2018 11:45 CET | Update | https://www.mdpi.com/2226-471X/3/4/41/xml |
| article xml file uploaded | 2 November 2018 11:45 CET | Original file | - |
