| article html file updated | 8 February 2020 01:32 CET | Update | https://www.mdpi.com/2073-4360/9/3/107 |
| article html file updated | 23 September 2019 20:12 CEST | Update | - |
| article html file updated | 4 May 2019 06:35 CEST | Update | - |
| article html file updated | 20 March 2019 06:20 CET | Update | - |
| article html file updated | 29 March 2017 05:50 CEST | Update | - |
| article html file updated | 16 March 2017 11:49 CET | Original file | - |
| article xml uploaded. | 16 March 2017 11:47 CET | Original file | https://www.mdpi.com/2073-4360/9/3/107/xml |
| article pdf uploaded. | 16 March 2017 11:47 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/3/107/pdf |
| article pdf uploaded. | 15 March 2017 12:44 CET | Version of Record | https://www.mdpi.com/2073-4360/9/3/107/pdf-vor |
