| article html file updated | 7 February 2020 22:03 CET | Update | https://www.mdpi.com/2076-3417/7/1/102 |
| article html file updated | 23 September 2019 00:36 CEST | Update | - |
| article html file updated | 4 May 2019 13:55 CEST | Update | - |
| article html file updated | 8 February 2017 09:52 CET | Update | - |
| article html file updated | 23 January 2017 10:40 CET | Original file | - |
| article xml uploaded. | 23 January 2017 10:39 CET | Original file | https://www.mdpi.com/2076-3417/7/1/102/xml |
| article pdf uploaded. | 23 January 2017 10:39 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/102/pdf |
