| article html file updated | 14 February 2020 03:06 CET | Update | https://www.mdpi.com/2076-0752/8/4/140 |
| article html file updated | 30 December 2019 09:29 CET | Update | - |
| article html file updated | 28 October 2019 03:37 CET | Original file | - |
| article pdf uploaded. | 28 October 2019 03:36 CET | Updated version of record | https://www.mdpi.com/2076-0752/8/4/140/pdf |
| article xml uploaded. | 28 October 2019 03:36 CET | Update | https://www.mdpi.com/2076-0752/8/4/140/xml |
| article xml file uploaded | 28 October 2019 03:36 CET | Update | - |
| article pdf uploaded. | 23 October 2019 10:18 CEST | Version of Record | https://www.mdpi.com/2076-0752/8/4/140/pdf-vor |
| article xml file uploaded | 23 October 2019 10:18 CEST | Original file | - |
