| article html file updated | 7 February 2020 21:33 CET | Update | https://www.mdpi.com/1996-1073/10/1/103 |
| article html file updated | 22 September 2019 21:54 CEST | Update | - |
| article html file updated | 4 May 2019 15:04 CEST | Update | - |
| article html file updated | 7 February 2017 10:00 CET | Update | - |
| article html file updated | 16 January 2017 11:52 CET | Original file | - |
| article xml uploaded. | 16 January 2017 11:50 CET | Original file | https://www.mdpi.com/1996-1073/10/1/103/xml |
| article pdf uploaded. | 16 January 2017 11:50 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/103/pdf |
