| article html file updated | 7 February 2020 20:55 CET | Update | https://www.mdpi.com/1996-1073/10/1/62 |
| article html file updated | 22 September 2019 18:37 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:30 CEST | Update | N/A |
| article html file updated | 7 February 2017 09:48 CET | Update | N/A |
| article html file updated | 6 January 2017 12:22 CET | Original file | N/A |
| article xml uploaded. | 6 January 2017 12:20 CET | Original file | https://www.mdpi.com/1996-1073/10/1/62/xml |
| article pdf uploaded. | 6 January 2017 12:20 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/62/pdf |
