| article html file updated | 7 February 2020 13:22 CET | Update | https://www.mdpi.com/2077-1444/7/8/104 |
| article html file updated | 5 May 2019 07:02 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:43 CET | Update | N/A |
| article html file updated | 26 August 2016 11:29 CEST | Update | N/A |
| article html file updated | 16 August 2016 09:48 CEST | Original file | N/A |
| article xml uploaded. | 16 August 2016 09:46 CEST | Original file | https://www.mdpi.com/2077-1444/7/8/104/xml |
| article pdf uploaded. | 16 August 2016 09:46 CEST | Version of Record | https://www.mdpi.com/2077-1444/7/8/104/pdf |
