| article html file updated | 12 February 2020 12:13 CET | Update | https://www.mdpi.com/1911-8074/12/2/88 |
| article html file updated | 20 October 2019 02:04 CEST | Update | - |
| article html file updated | 5 July 2019 06:55 CEST | Update | - |
| article html file updated | 14 May 2019 11:33 CEST | Original file | - |
| article pdf uploaded. | 14 May 2019 11:32 CEST | Version of Record | https://www.mdpi.com/1911-8074/12/2/88/pdf |
| article xml uploaded. | 14 May 2019 11:32 CEST | Update | https://www.mdpi.com/1911-8074/12/2/88/xml |
| article xml file uploaded | 14 May 2019 11:32 CEST | Original file | - |
