| article html file updated | 8 February 2020 15:07 CET | Update | https://www.mdpi.com/2304-6732/4/3/43 |
| article html file updated | 26 September 2019 21:44 CEST | Update | N/A |
| article html file updated | 3 May 2019 03:56 CEST | Update | N/A |
| article html file updated | 30 September 2017 15:42 CEST | Update | N/A |
| article html file updated | 1 September 2017 14:50 CEST | Original file | N/A |
| article xml uploaded. | 1 September 2017 14:49 CEST | Original file | https://www.mdpi.com/2304-6732/4/3/43/xml |
| article pdf uploaded. | 1 September 2017 14:49 CEST | Version of Record | https://www.mdpi.com/2304-6732/4/3/43/pdf |
