| article html file updated | 8 February 2020 01:22 CET | Update | https://www.mdpi.com/2073-4360/9/3/101 |
| article html file updated | 23 September 2019 19:15 CEST | Update | - |
| article html file updated | 4 May 2019 06:57 CEST | Update | - |
| article html file updated | 20 March 2019 05:50 CET | Update | - |
| article html file updated | 29 March 2017 05:49 CEST | Update | - |
| article html file updated | 13 March 2017 11:33 CET | Original file | - |
| article xml uploaded. | 13 March 2017 11:32 CET | Original file | https://www.mdpi.com/2073-4360/9/3/101/xml |
| article pdf uploaded. | 13 March 2017 11:32 CET | Version of Record | https://www.mdpi.com/2073-4360/9/3/101/pdf |
