| article html file updated | 12 February 2020 16:19 CET | Update | https://www.mdpi.com/2306-7381/6/2/50 |
| article html file updated | 21 October 2019 00:07 CEST | Update | - |
| article html file updated | 5 July 2019 18:16 CEST | Update | - |
| article html file updated | 30 May 2019 08:55 CEST | Original file | - |
| article pdf uploaded. | 30 May 2019 08:53 CEST | Version of Record | https://www.mdpi.com/2306-7381/6/2/50/pdf |
| article xml uploaded. | 30 May 2019 08:53 CEST | Update | https://www.mdpi.com/2306-7381/6/2/50/xml |
| article xml file uploaded | 30 May 2019 08:53 CEST | Original file | - |
