| article html file updated | 7 February 2020 10:21 CET | Update | https://www.mdpi.com/2073-4360/8/6/235 |
| article html file updated | 21 September 2019 19:16 CEST | Update | N/A |
| article html file updated | 5 May 2019 12:37 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:49 CET | Update | N/A |
| article html file updated | 18 March 2019 04:59 CET | Update | N/A |
| article html file updated | 29 June 2016 11:42 CEST | Update | N/A |
| article html file updated | 17 June 2016 10:52 CEST | Original file | N/A |
| article xml uploaded. | 17 June 2016 10:50 CEST | Original file | https://www.mdpi.com/2073-4360/8/6/235/xml |
| article pdf uploaded. | 17 June 2016 10:50 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/6/235/pdf |
