| article html file updated | 13 February 2020 21:50 CET | Update | https://www.mdpi.com/2304-6732/6/4/103 |
| article html file updated | 31 December 2019 01:14 CET | Update | - |
| article html file updated | 21 October 2019 11:05 CEST | Original file | - |
| article pdf uploaded. | 21 October 2019 11:03 CEST | Updated version of record | https://www.mdpi.com/2304-6732/6/4/103/pdf |
| article xml uploaded. | 21 October 2019 11:03 CEST | Update | https://www.mdpi.com/2304-6732/6/4/103/xml |
| article xml file uploaded | 21 October 2019 11:03 CEST | Update | - |
| article pdf uploaded. | 1 October 2019 13:45 CEST | Version of Record | https://www.mdpi.com/2304-6732/6/4/103/pdf-vor |
| article xml file uploaded | 1 October 2019 13:45 CEST | Original file | - |
