| article html file updated | 12 February 2020 02:32 CET | Update | https://www.mdpi.com/2079-9276/8/2/60 |
| article html file updated | 17 October 2019 15:28 CEST | Update | - |
| article html file updated | 5 July 2019 18:24 CEST | Update | - |
| article html file updated | 30 April 2019 11:49 CEST | Original file | - |
| article pdf uploaded. | 30 April 2019 11:48 CEST | Updated version of record | https://www.mdpi.com/2079-9276/8/2/60/pdf |
| article xml uploaded. | 30 April 2019 11:48 CEST | Update | https://www.mdpi.com/2079-9276/8/2/60/xml |
| article xml file uploaded | 30 April 2019 11:48 CEST | Update | - |
| article pdf uploaded. | 2 April 2019 14:52 CEST | Version of Record | https://www.mdpi.com/2079-9276/8/2/60/pdf-vor |
| article xml file uploaded | 2 April 2019 14:52 CEST | Original file | - |