| article html file updated | 8 February 2020 12:38 CET | Update | https://www.mdpi.com/2226-4310/4/3/43 |
| article html file updated | 26 September 2019 07:48 CEST | Update | - |
| article html file updated | 3 May 2019 08:47 CEST | Update | - |
| article html file updated | 27 March 2019 18:55 CET | Update | - |
| article html file updated | 30 September 2017 11:42 CEST | Update | - |
| article html file updated | 3 August 2017 11:32 CEST | Original file | - |
| article xml uploaded. | 3 August 2017 11:31 CEST | Original file | https://www.mdpi.com/2226-4310/4/3/43/xml |
| article pdf uploaded. | 3 August 2017 11:31 CEST | Updated version of record | https://www.mdpi.com/2226-4310/4/3/43/pdf |
| article pdf uploaded. | 2 August 2017 14:07 CEST | Version of Record | https://www.mdpi.com/2226-4310/4/3/43/pdf-vor |
