| article html file updated | 9 February 2020 13:00 CET | Update | https://www.mdpi.com/2297-8739/5/2/23 |
| article html file updated | 2 October 2019 09:52 CEST | Update | N/A |
| article html file updated | 1 May 2019 05:06 CEST | Update | N/A |
| article html file updated | 17 April 2019 05:19 CEST | Update | N/A |
| article html file updated | 29 March 2019 13:48 CET | Update | N/A |
| article html file updated | 27 June 2018 09:39 CEST | Update | N/A |
| article html file updated | 9 April 2018 09:17 CEST | Original file | N/A |
| article xml uploaded. | 9 April 2018 09:16 CEST | Original file | https://www.mdpi.com/2297-8739/5/2/23/xml |
| article pdf uploaded. | 9 April 2018 09:16 CEST | Version of Record | https://www.mdpi.com/2297-8739/5/2/23/pdf |
