| article html file updated | 13 February 2020 12:08 CET | Update | https://www.mdpi.com/2409-9287/4/3/52 |
| article html file updated | 12 September 2019 07:40 CEST | Update | - |
| article html file updated | 12 September 2019 07:25 CEST | Update | - |
| article html file updated | 12 September 2019 06:55 CEST | Original file | - |
| article pdf uploaded. | 12 September 2019 03:56 CEST | Updated version of record | https://www.mdpi.com/2409-9287/4/3/52/pdf |
| article xml uploaded. | 12 September 2019 03:56 CEST | Update | https://www.mdpi.com/2409-9287/4/3/52/xml |
| article xml file uploaded | 12 September 2019 03:56 CEST | Update | - |
| article pdf uploaded. | 23 August 2019 15:12 CEST | Version of Record | https://www.mdpi.com/2409-9287/4/3/52/pdf-vor |
| article xml file uploaded | 23 August 2019 15:12 CEST | Original file | - |
