| article html file updated | 12 February 2020 15:31 CET | Update | https://www.mdpi.com/2218-2004/7/2/52 |
| article html file updated | 5 July 2019 21:58 CEST | Update | - |
| article html file updated | 13 June 2019 08:08 CEST | Original file | - |
| article pdf uploaded. | 13 June 2019 08:07 CEST | Updated version of record | https://www.mdpi.com/2218-2004/7/2/52/pdf |
| article xml uploaded. | 13 June 2019 08:07 CEST | Update | https://www.mdpi.com/2218-2004/7/2/52/xml |
| article xml file uploaded | 13 June 2019 08:06 CEST | Update | - |
| article pdf uploaded. | 27 May 2019 14:14 CEST | Version of Record | https://www.mdpi.com/2218-2004/7/2/52/pdf-vor |
| article xml file uploaded | 27 May 2019 14:14 CEST | Original file | - |
