| article html file updated | 9 February 2020 08:20 CET | Update | https://www.mdpi.com/2226-4310/5/1/25 |
| article html file updated | 1 October 2019 05:08 CEST | Update | - |
| article html file updated | 1 May 2019 14:52 CEST | Update | - |
| article html file updated | 17 April 2019 14:26 CEST | Update | - |
| article html file updated | 29 March 2019 03:15 CET | Update | - |
| article html file updated | 26 March 2018 16:07 CEST | Update | - |
| article html file updated | 2 March 2018 12:28 CET | Original file | - |
| article xml uploaded. | 2 March 2018 12:26 CET | Update | https://www.mdpi.com/2226-4310/5/1/25/xml |
| article pdf uploaded. | 2 March 2018 12:26 CET | Updated version of record | https://www.mdpi.com/2226-4310/5/1/25/pdf |
| article pdf uploaded. | 1 March 2018 18:03 CET | Version of Record | https://www.mdpi.com/2226-4310/5/1/25/pdf-vor |
