| article html file updated | 13 February 2020 18:58 CET | Update | https://www.mdpi.com/2076-0752/8/4/123 |
| article html file updated | 30 December 2019 09:22 CET | Update | N/A |
| article html file updated | 24 September 2019 12:13 CEST | Original file | N/A |
| article pdf uploaded. | 24 September 2019 12:11 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/4/123/pdf |
| article xml uploaded. | 24 September 2019 12:11 CEST | Update | https://www.mdpi.com/2076-0752/8/4/123/xml |
| article xml file uploaded | 24 September 2019 12:11 CEST | Update | N/A |
| article pdf uploaded. | 20 September 2019 11:00 CEST | Version of Record | https://www.mdpi.com/2076-0752/8/4/123/pdf-vor |
| article xml file uploaded | 20 September 2019 11:00 CEST | Original file | N/A |
