| article html file updated | 8 February 2020 21:12 CET | Update | https://www.mdpi.com/2073-4360/9/11/615 |
| article html file updated | 28 September 2019 11:37 CEST | Update | N/A |
| article html file updated | 2 May 2019 14:58 CEST | Update | N/A |
| article html file updated | 30 November 2017 11:58 CET | Update | N/A |
| article html file updated | 14 November 2017 16:00 CET | Original file | N/A |
| article xml uploaded. | 14 November 2017 15:59 CET | Update | https://www.mdpi.com/2073-4360/9/11/615/xml |
| article xml uploaded. | 14 November 2017 15:58 CET | Original file | N/A |
| article pdf uploaded. | 14 November 2017 15:58 CET | Version of Record | https://www.mdpi.com/2073-4360/9/11/615/pdf |
