| article html file updated | 12 February 2020 12:35 CET | Update | https://www.mdpi.com/2218-0532/87/2/12 |
| article html file updated | 20 October 2019 03:59 CEST | Update | - |
| article html file updated | 15 May 2019 12:02 CEST | Original file | - |
| article pdf uploaded. | 15 May 2019 12:00 CEST | Version of Record | https://www.mdpi.com/2218-0532/87/2/12/pdf |
| article xml uploaded. | 15 May 2019 12:00 CEST | Update | https://www.mdpi.com/2218-0532/87/2/12/xml |
| article xml file uploaded | 15 May 2019 12:00 CEST | Original file | - |
