| article html file updated | 9 February 2020 00:29 CET | Update | https://www.mdpi.com/2414-4088/1/4/31 |
| article html file updated | 2 May 2019 07:40 CEST | Update | - |
| article html file updated | 18 April 2019 05:31 CEST | Update | - |
| article html file updated | 19 December 2017 07:55 CET | Update | - |
| article xml uploaded. | 19 December 2017 07:53 CET | Update | https://www.mdpi.com/2414-4088/1/4/31/xml |
| article xml uploaded. | 19 December 2017 07:53 CET | Update | - |
| article pdf uploaded. | 19 December 2017 07:53 CET | Updated version of record | https://www.mdpi.com/2414-4088/1/4/31/pdf |
| article html file updated | 19 December 2017 07:46 CET | Update | - |
| article xml uploaded. | 19 December 2017 07:45 CET | Update | - |
| article pdf uploaded. | 19 December 2017 07:45 CET | Updated version of record | - |
| article html file updated | 19 December 2017 07:36 CET | Original file | - |
| article xml uploaded. | 19 December 2017 07:35 CET | Original file | - |
| article pdf uploaded. | 19 December 2017 07:35 CET | Version of Record | - |
