| article html file updated | 8 February 2020 16:28 CET | Update | https://www.mdpi.com/2226-4310/4/3/49 |
| article html file updated | 27 September 2019 05:05 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:27 CEST | Update | N/A |
| article html file updated | 30 September 2017 11:44 CEST | Update | N/A |
| article html file updated | 18 September 2017 12:41 CEST | Original file | N/A |
| article xml uploaded. | 18 September 2017 12:40 CEST | Update | https://www.mdpi.com/2226-4310/4/3/49/xml |
| article xml uploaded. | 18 September 2017 12:40 CEST | Update | N/A |
| article xml uploaded. | 18 September 2017 12:40 CEST | Original file | N/A |
| article pdf uploaded. | 18 September 2017 12:40 CEST | Version of Record | https://www.mdpi.com/2226-4310/4/3/49/pdf |
