| article html file updated | 8 February 2020 12:02 CET | Update | https://www.mdpi.com/2073-4360/9/8/308 |
| article html file updated | 26 September 2019 04:18 CEST | Update | N/A |
| article html file updated | 3 May 2019 10:08 CEST | Update | N/A |
| article html file updated | 27 March 2019 17:44 CET | Update | N/A |
| article html file updated | 1 September 2017 07:22 CEST | Update | N/A |
| article html file updated | 26 July 2017 15:52 CEST | Original file | N/A |
| article xml uploaded. | 26 July 2017 15:51 CEST | Update | https://www.mdpi.com/2073-4360/9/8/308/xml |
| article pdf uploaded. | 26 July 2017 15:51 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/8/308/pdf |
