| article html file updated | 12 February 2020 04:04 CET | Update | https://www.mdpi.com/2227-9709/6/2/16 |
| article html file updated | 5 July 2019 06:22 CEST | Update | N/A |
| article html file updated | 29 April 2019 05:40 CEST | Original file | N/A |
| article pdf uploaded. | 29 April 2019 05:39 CEST | Updated version of record | https://www.mdpi.com/2227-9709/6/2/16/pdf |
| article xml uploaded. | 29 April 2019 05:39 CEST | Update | https://www.mdpi.com/2227-9709/6/2/16/xml |
| article xml file uploaded | 29 April 2019 05:39 CEST | Update | N/A |
| article pdf uploaded. | 9 April 2019 15:45 CEST | Version of Record | https://www.mdpi.com/2227-9709/6/2/16/pdf-vor |
| article xml file uploaded | 9 April 2019 15:45 CEST | Original file | N/A |
