| article html file updated | 7 February 2020 12:28 CET | Update | https://www.mdpi.com/2076-2615/6/8/44 |
| article html file updated | 5 May 2019 08:44 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:42 CET | Update | N/A |
| article html file updated | 25 August 2016 06:29 CEST | Update | N/A |
| article html file updated | 28 July 2016 15:46 CEST | Original file | N/A |
| article xml uploaded. | 28 July 2016 15:44 CEST | Original file | https://www.mdpi.com/2076-2615/6/8/44/xml |
| article pdf uploaded. | 28 July 2016 15:44 CEST | Version of Record | https://www.mdpi.com/2076-2615/6/8/44/pdf |
