| article html file updated | 8 February 2020 01:58 CET | Update | https://www.mdpi.com/2225-1154/5/1/24 |
| article html file updated | 23 September 2019 22:45 CEST | Update | N/A |
| article html file updated | 4 May 2019 05:37 CEST | Update | N/A |
| article html file updated | 29 March 2017 10:22 CEST | Update | N/A |
| article html file updated | 27 March 2017 05:23 CEST | Update | N/A |
| article html file updated | 24 March 2017 07:02 CET | Update | N/A |
| article html file updated | 22 March 2017 10:40 CET | Original file | N/A |
| article xml uploaded. | 22 March 2017 10:39 CET | Original file | https://www.mdpi.com/2225-1154/5/1/24/xml |
| article pdf uploaded. | 22 March 2017 10:39 CET | Version of Record | https://www.mdpi.com/2225-1154/5/1/24/pdf |
