| article html file updated | 7 February 2020 21:14 CET | Update | https://www.mdpi.com/1996-1073/10/1/78 |
| article html file updated | 22 September 2019 20:06 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:51 CEST | Update | N/A |
| article html file updated | 7 February 2017 09:53 CET | Update | N/A |
| article html file updated | 11 January 2017 15:41 CET | Original file | N/A |
| article xml uploaded. | 11 January 2017 15:39 CET | Original file | https://www.mdpi.com/1996-1073/10/1/78/xml |
| article pdf uploaded. | 11 January 2017 15:39 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/78/pdf |
