| article html file updated | 8 February 2020 12:11 CET | Update | https://www.mdpi.com/2297-8747/22/3/37 |
| article html file updated | 3 May 2019 09:43 CEST | Update | N/A |
| article html file updated | 27 March 2019 18:01 CET | Update | N/A |
| article html file updated | 27 July 2017 15:41 CEST | Original file | N/A |
| article xml uploaded. | 27 July 2017 15:40 CEST | Original file | https://www.mdpi.com/2297-8747/22/3/37/xml |
| article pdf uploaded. | 27 July 2017 15:40 CEST | Version of Record | https://www.mdpi.com/2297-8747/22/3/37/pdf |
