| article html file updated | 8 February 2020 11:46 CET | Update | https://www.mdpi.com/2073-4360/9/7/300 |
| article html file updated | 26 September 2019 02:56 CEST | Update | - |
| article html file updated | 3 May 2019 10:50 CEST | Update | - |
| article html file updated | 27 March 2019 17:15 CET | Update | - |
| article html file updated | 2 August 2017 04:16 CEST | Update | - |
| article html file updated | 25 July 2017 09:16 CEST | Original file | - |
| article xml uploaded. | 25 July 2017 09:14 CEST | Original file | https://www.mdpi.com/2073-4360/9/7/300/xml |
| article pdf uploaded. | 25 July 2017 09:14 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/7/300/pdf |
| article pdf uploaded. | 22 July 2017 13:04 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/7/300/pdf-vor |
