| article html file updated | 8 February 2020 09:32 CET | Update | https://www.mdpi.com/2410-3888/2/3/9 |
| article html file updated | 25 September 2019 15:05 CEST | Update | N/A |
| article html file updated | 3 May 2019 15:06 CEST | Update | N/A |
| article html file updated | 11 July 2017 14:06 CEST | Update | N/A |
| article xml uploaded. | 11 July 2017 14:05 CEST | Update | https://www.mdpi.com/2410-3888/2/3/9/xml |
| article pdf uploaded. | 11 July 2017 14:05 CEST | Updated version of record | https://www.mdpi.com/2410-3888/2/3/9/pdf |
| article html file updated | 29 June 2017 13:16 CEST | Original file | N/A |
| article pdf uploaded. | 29 June 2017 13:14 CEST | Updated version of record | https://www.mdpi.com/2410-3888/2/3/9/pdf-vor |
| article pdf uploaded. | 28 June 2017 16:15 CEST | Version of Record | https://www.mdpi.com/2410-3888/2/3/9/pdf-vor |
