| article html file updated | 9 February 2020 13:07 CET | Update | https://www.mdpi.com/2226-4310/5/2/40 |
| article html file updated | 2 October 2019 10:33 CEST | Update | - |
| article html file updated | 1 May 2019 04:53 CEST | Update | - |
| article html file updated | 17 April 2019 05:07 CEST | Update | - |
| article html file updated | 29 March 2019 14:04 CET | Update | - |
| article html file updated | 27 June 2018 19:31 CEST | Update | - |
| article html file updated | 11 April 2018 12:17 CEST | Original file | - |
| article xml uploaded. | 11 April 2018 12:16 CEST | Update | https://www.mdpi.com/2226-4310/5/2/40/xml |
| article pdf uploaded. | 11 April 2018 12:16 CEST | Updated version of record | https://www.mdpi.com/2226-4310/5/2/40/pdf |
| article pdf uploaded. | 9 April 2018 15:12 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/40/pdf-vor |
