| article html file updated | 8 February 2020 08:44 CET | Update | https://www.mdpi.com/2297-8747/22/2/36 |
| article html file updated | 25 September 2019 10:47 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:36 CEST | Update | N/A |
| article html file updated | 20 June 2017 14:28 CEST | Original file | N/A |
| article xml uploaded. | 20 June 2017 14:27 CEST | Original file | https://www.mdpi.com/2297-8747/22/2/36/xml |
| article pdf uploaded. | 20 June 2017 14:27 CEST | Version of Record | https://www.mdpi.com/2297-8747/22/2/36/pdf |
