| article html file updated | 9 February 2020 06:08 CET | Update | https://www.mdpi.com/2226-4310/5/1/18 |
| article html file updated | 30 September 2019 16:25 CEST | Update | - |
| article html file updated | 1 May 2019 19:33 CEST | Update | - |
| article html file updated | 17 April 2019 18:42 CEST | Update | - |
| article html file updated | 28 March 2019 22:17 CET | Update | - |
| article html file updated | 26 March 2018 16:02 CEST | Update | - |
| article html file updated | 11 February 2018 06:34 CET | Original file | - |
| article xml uploaded. | 11 February 2018 06:33 CET | Update | https://www.mdpi.com/2226-4310/5/1/18/xml |
| article xml uploaded. | 11 February 2018 06:33 CET | Original file | - |
| article pdf uploaded. | 11 February 2018 06:33 CET | Updated version of record | https://www.mdpi.com/2226-4310/5/1/18/pdf |
| article pdf uploaded. | 9 February 2018 16:56 CET | Version of Record | https://www.mdpi.com/2226-4310/5/1/18/pdf-vor |