| article html file updated | 12 February 2020 04:33 CET | Update | https://www.mdpi.com/2218-6581/8/2/28 |
| article html file updated | 18 October 2019 03:30 CEST | Update | - |
| article html file updated | 5 July 2019 18:30 CEST | Update | - |
| article html file updated | 25 April 2019 13:48 CEST | Update | - |
| article html file updated | 11 April 2019 10:31 CEST | Original file | - |
| article pdf uploaded. | 11 April 2019 10:30 CEST | Version of Record | https://www.mdpi.com/2218-6581/8/2/28/pdf |
| article xml uploaded. | 11 April 2019 10:30 CEST | Update | https://www.mdpi.com/2218-6581/8/2/28/xml |
| article xml file uploaded | 11 April 2019 10:30 CEST | Original file | - |
