| article html file updated | 7 February 2020 21:57 CET | Update | https://www.mdpi.com/2076-3417/7/1/104 |
| article html file updated | 23 September 2019 00:06 CEST | Update | - |
| article html file updated | 4 May 2019 14:07 CEST | Update | - |
| article html file updated | 8 February 2017 09:52 CET | Update | - |
| article html file updated | 22 January 2017 10:23 CET | Update | - |
| article xml uploaded. | 22 January 2017 10:22 CET | Update | https://www.mdpi.com/2076-3417/7/1/104/xml |
| article xml uploaded. | 22 January 2017 10:22 CET | Update | - |
| article pdf uploaded. | 22 January 2017 10:22 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/1/104/pdf |
| article html file updated | 21 January 2017 12:17 CET | Original file | - |
| article xml uploaded. | 21 January 2017 12:15 CET | Update | - |
| article xml uploaded. | 21 January 2017 12:15 CET | Original file | - |
| article pdf uploaded. | 21 January 2017 12:15 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/104/pdf-vor |
