| article html file updated | 12 February 2020 06:36 CET | Update | https://www.mdpi.com/2079-9276/8/2/73 |
| article html file updated | 18 October 2019 16:42 CEST | Update | N/A |
| article html file updated | 5 July 2019 18:27 CEST | Update | N/A |
| article html file updated | 30 April 2019 07:19 CEST | Original file | N/A |
| article pdf uploaded. | 30 April 2019 07:18 CEST | Updated version of record | https://www.mdpi.com/2079-9276/8/2/73/pdf |
| article xml uploaded. | 30 April 2019 07:18 CEST | Update | https://www.mdpi.com/2079-9276/8/2/73/xml |
| article xml file uploaded | 30 April 2019 07:18 CEST | Update | N/A |
| article pdf uploaded. | 19 April 2019 15:54 CEST | Version of Record | https://www.mdpi.com/2079-9276/8/2/73/pdf-vor |
| article xml file uploaded | 19 April 2019 15:54 CEST | Original file | N/A |
