| article html file updated | 8 February 2020 13:37 CET | Update | https://www.mdpi.com/2226-4310/4/3/44 |
| article html file updated | 26 September 2019 13:31 CEST | Update | N/A |
| article html file updated | 3 May 2019 06:49 CEST | Update | N/A |
| article html file updated | 27 March 2019 20:59 CET | Update | N/A |
| article html file updated | 30 September 2017 11:43 CEST | Update | N/A |
| article html file updated | 15 August 2017 14:52 CEST | Original file | N/A |
| article xml uploaded. | 15 August 2017 14:50 CEST | Update | https://www.mdpi.com/2226-4310/4/3/44/xml |
| article xml uploaded. | 15 August 2017 14:50 CEST | Original file | N/A |
| article pdf uploaded. | 15 August 2017 14:50 CEST | Version of Record | https://www.mdpi.com/2226-4310/4/3/44/pdf |