| article html file updated | 9 February 2020 00:06 CET | Update | https://www.mdpi.com/2079-4991/7/12/448 |
| article html file updated | 29 September 2019 05:20 CEST | Update | - |
| article html file updated | 2 May 2019 08:31 CEST | Update | - |
| article html file updated | 18 April 2019 06:18 CEST | Update | - |
| article html file updated | 2 January 2018 15:04 CET | Update | - |
| article html file updated | 14 December 2017 17:21 CET | Original file | - |
| article xml uploaded. | 14 December 2017 17:20 CET | Original file | https://www.mdpi.com/2079-4991/7/12/448/xml |
| article pdf uploaded. | 14 December 2017 17:20 CET | Updated version of record | https://www.mdpi.com/2079-4991/7/12/448/pdf |
| article pdf uploaded. | 14 December 2017 14:36 CET | Version of Record | - |
