| article html file updated | 7 February 2020 21:37 CET | Update | https://www.mdpi.com/1996-1073/10/1/108 |
| article html file updated | 22 September 2019 22:12 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:53 CEST | Update | N/A |
| article html file updated | 7 February 2017 10:01 CET | Update | N/A |
| article html file updated | 17 January 2017 11:07 CET | Original file | N/A |
| article xml uploaded. | 17 January 2017 11:06 CET | Original file | https://www.mdpi.com/1996-1073/10/1/108/xml |
| article pdf uploaded. | 17 January 2017 11:06 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/108/pdf |
