| article html file updated | 10 February 2020 13:53 CET | Update | https://www.mdpi.com/2297-8739/5/4/48 |
| article html file updated | 8 October 2019 14:16 CEST | Update | N/A |
| article html file updated | 28 April 2019 23:57 CEST | Update | N/A |
| article html file updated | 14 April 2019 19:17 CEST | Update | N/A |
| article html file updated | 1 April 2019 01:13 CEST | Update | N/A |
| article html file updated | 26 December 2018 10:08 CET | Update | N/A |
| article html file updated | 2 October 2018 05:32 CEST | Original file | N/A |
| article xml uploaded. | 2 October 2018 05:31 CEST | Original file | https://www.mdpi.com/2297-8739/5/4/48/xml |
| article pdf uploaded. | 2 October 2018 05:31 CEST | Version of Record | https://www.mdpi.com/2297-8739/5/4/48/pdf |
