| article html file updated | 7 February 2020 15:26 CET | Update | https://www.mdpi.com/2076-0825/5/4/24 |
| article html file updated | 22 September 2019 01:29 CEST | Update | N/A |
| article html file updated | 5 May 2019 03:18 CEST | Update | N/A |
| article html file updated | 29 June 2017 13:18 CEST | Update | N/A |
| article html file updated | 29 June 2017 13:16 CEST | Update | N/A |
| article html file updated | 29 December 2016 06:41 CET | Update | N/A |
| article html file updated | 23 September 2016 05:58 CEST | Original file | N/A |
| article xml uploaded. | 23 September 2016 05:56 CEST | Original file | https://www.mdpi.com/2076-0825/5/4/24/xml |
| article pdf uploaded. | 23 September 2016 05:56 CEST | Version of Record | https://www.mdpi.com/2076-0825/5/4/24/pdf |
