| article html file updated | 13 February 2020 04:39 CET | Update | https://www.mdpi.com/2218-6581/8/3/60 |
| article html file updated | 27 September 2019 11:24 CEST | Update | - |
| article html file updated | 26 August 2019 12:42 CEST | Original file | - |
| article pdf uploaded. | 26 August 2019 12:41 CEST | Updated version of record | https://www.mdpi.com/2218-6581/8/3/60/pdf |
| article xml uploaded. | 26 August 2019 12:41 CEST | Update | https://www.mdpi.com/2218-6581/8/3/60/xml |
| article xml file uploaded | 26 August 2019 12:41 CEST | Update | - |
| article pdf uploaded. | 24 July 2019 15:14 CEST | Version of Record | https://www.mdpi.com/2218-6581/8/3/60/pdf-vor |
| article xml file uploaded | 24 July 2019 15:14 CEST | Original file | - |
