| article html file updated | 13 February 2020 21:04 CET | Update | https://www.mdpi.com/2304-6732/6/4/101 |
| article html file updated | 31 December 2019 01:12 CET | Update | - |
| article html file updated | 12 October 2019 04:39 CEST | Original file | - |
| article pdf uploaded. | 12 October 2019 04:37 CEST | Updated version of record | https://www.mdpi.com/2304-6732/6/4/101/pdf |
| article xml uploaded. | 12 October 2019 04:37 CEST | Update | https://www.mdpi.com/2304-6732/6/4/101/xml |
| article xml file uploaded | 12 October 2019 04:37 CEST | Update | - |
| article pdf uploaded. | 28 September 2019 10:19 CEST | Version of Record | https://www.mdpi.com/2304-6732/6/4/101/pdf-vor |
| article xml file uploaded | 28 September 2019 10:19 CEST | Original file | - |
