| article html file updated | 10 October 2020 03:30 CEST | Update | https://www.mdpi.com/2076-0752/8/4/139 |
| article html file updated | 14 February 2020 03:06 CET | Update | N/A |
| article html file updated | 30 December 2019 09:29 CET | Update | N/A |
| article html file updated | 24 October 2019 10:07 CEST | Original file | N/A |
| article pdf uploaded. | 24 October 2019 10:05 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/4/139/pdf |
| article xml uploaded. | 24 October 2019 10:05 CEST | Update | https://www.mdpi.com/2076-0752/8/4/139/xml |
| article xml file uploaded | 24 October 2019 10:04 CEST | Update | N/A |
| article pdf uploaded. | 23 October 2019 10:12 CEST | Version of Record | https://www.mdpi.com/2076-0752/8/4/139/pdf-vor |
| article xml file uploaded | 23 October 2019 10:12 CEST | Original file | N/A |
