| article html file updated | 12 February 2020 11:31 CET | Update | https://www.mdpi.com/2227-7102/9/2/102 |
| article html file updated | 4 July 2019 17:58 CEST | Update | - |
| article html file updated | 30 May 2019 06:17 CEST | Original file | - |
| article pdf uploaded. | 30 May 2019 06:16 CEST | Updated version of record | https://www.mdpi.com/2227-7102/9/2/102/pdf |
| article xml uploaded. | 30 May 2019 06:16 CEST | Update | https://www.mdpi.com/2227-7102/9/2/102/xml |
| article xml file uploaded | 30 May 2019 06:16 CEST | Update | - |
| article pdf uploaded. | 10 May 2019 16:04 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/102/pdf-vor |
| article xml file uploaded | 10 May 2019 16:04 CEST | Original file | - |
