| article html file updated | 7 February 2020 13:30 CET | Update | https://www.mdpi.com/2073-4360/8/8/308 |
| article html file updated | 5 May 2019 06:48 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:59 CET | Update | N/A |
| article html file updated | 26 August 2016 11:38 CEST | Update | N/A |
| article html file updated | 18 August 2016 11:49 CEST | Original file | N/A |
| article xml uploaded. | 18 August 2016 11:47 CEST | Update | https://www.mdpi.com/2073-4360/8/8/308/xml |
| article xml uploaded. | 18 August 2016 11:47 CEST | Original file | N/A |
| article pdf uploaded. | 18 August 2016 11:47 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/8/308/pdf |
