| article html file updated | 7 February 2020 15:36 CET | Update | https://www.mdpi.com/2077-1444/7/10/121 |
| article html file updated | 22 September 2019 01:43 CEST | Update | N/A |
| article html file updated | 5 May 2019 02:59 CEST | Update | N/A |
| article html file updated | 28 October 2016 10:12 CEST | Update | N/A |
| article html file updated | 27 September 2016 12:47 CEST | Original file | N/A |
| article xml uploaded. | 27 September 2016 12:46 CEST | Original file | https://www.mdpi.com/2077-1444/7/10/121/xml |
| article pdf uploaded. | 27 September 2016 12:46 CEST | Version of Record | https://www.mdpi.com/2077-1444/7/10/121/pdf |
