| article html file updated | 9 February 2020 09:28 CET | Update | https://www.mdpi.com/2297-8739/5/1/18 |
| article html file updated | 1 October 2019 12:54 CEST | Update | N/A |
| article html file updated | 1 May 2019 12:32 CEST | Update | N/A |
| article html file updated | 17 April 2019 12:14 CEST | Update | N/A |
| article html file updated | 29 March 2019 05:46 CET | Update | N/A |
| article html file updated | 27 March 2018 15:15 CEST | Update | N/A |
| article html file updated | 12 March 2018 04:00 CET | Original file | N/A |
| article xml uploaded. | 12 March 2018 03:59 CET | Original file | https://www.mdpi.com/2297-8739/5/1/18/xml |
| article pdf uploaded. | 12 March 2018 03:59 CET | Version of Record | https://www.mdpi.com/2297-8739/5/1/18/pdf |
