| article html file updated | 8 February 2020 01:05 CET | Update | https://www.mdpi.com/2073-4360/9/3/97 |
| article html file updated | 23 September 2019 17:42 CEST | Update | - |
| article html file updated | 4 May 2019 07:32 CEST | Update | - |
| article html file updated | 20 March 2019 05:46 CET | Update | - |
| article html file updated | 29 March 2017 05:49 CEST | Update | - |
| article html file updated | 9 March 2017 09:39 CET | Original file | - |
| article xml uploaded. | 9 March 2017 09:38 CET | Original file | https://www.mdpi.com/2073-4360/9/3/97/xml |
| article pdf uploaded. | 9 March 2017 09:38 CET | Version of Record | https://www.mdpi.com/2073-4360/9/3/97/pdf |
