| article html file updated | 8 February 2020 23:07 CET | Update | https://www.mdpi.com/2075-4450/8/4/128 |
| article html file updated | 28 September 2019 23:42 CEST | Update | - |
| article html file updated | 2 May 2019 10:42 CEST | Update | - |
| article html file updated | 18 April 2019 08:19 CEST | Update | - |
| article html file updated | 2 January 2018 12:38 CET | Update | - |
| article html file updated | 5 December 2017 07:36 CET | Original file | - |
| article xml uploaded. | 5 December 2017 07:35 CET | Original file | https://www.mdpi.com/2075-4450/8/4/128/xml |
| article pdf uploaded. | 5 December 2017 07:35 CET | Version of Record | https://www.mdpi.com/2075-4450/8/4/128/pdf |
