| article html file updated | 12 February 2020 06:14 CET | Update | https://www.mdpi.com/2076-3425/9/4/87 |
| article html file updated | 18 October 2019 14:17 CEST | Update | - |
| article html file updated | 8 May 2019 18:13 CEST | Update | - |
| article html file updated | 25 April 2019 11:52 CEST | Original file | - |
| article pdf uploaded. | 25 April 2019 11:51 CEST | Updated version of record | https://www.mdpi.com/2076-3425/9/4/87/pdf |
| article xml uploaded. | 25 April 2019 11:51 CEST | Update | https://www.mdpi.com/2076-3425/9/4/87/xml |
| article xml file uploaded | 25 April 2019 11:51 CEST | Update | - |
| article pdf uploaded. | 18 April 2019 12:50 CEST | Version of Record | https://www.mdpi.com/2076-3425/9/4/87/pdf-vor |
| article xml file uploaded | 18 April 2019 12:50 CEST | Original file | - |
