| article html file updated | 12 February 2020 04:01 CET | Update | https://www.mdpi.com/1911-8074/12/2/60 |
| article html file updated | 18 October 2019 00:13 CEST | Update | - |
| article html file updated | 5 July 2019 06:51 CEST | Update | - |
| article html file updated | 7 May 2019 11:28 CEST | Original file | - |
| article pdf uploaded. | 7 May 2019 09:27 CEST | Updated version of record | https://www.mdpi.com/1911-8074/12/2/60/pdf |
| article xml uploaded. | 7 May 2019 09:27 CEST | Update | https://www.mdpi.com/1911-8074/12/2/60/xml |
| article xml file uploaded | 7 May 2019 09:27 CEST | Update | - |
| article pdf uploaded. | 9 April 2019 13:56 CEST | Version of Record | https://www.mdpi.com/1911-8074/12/2/60/pdf-vor |
| article xml file uploaded | 9 April 2019 13:55 CEST | Original file | - |
