| article html file updated | 9 February 2020 05:51 CET | Update | https://www.mdpi.com/1996-1073/11/2/388 |
| article html file updated | 30 September 2019 14:46 CEST | Update | - |
| article html file updated | 1 May 2019 20:11 CEST | Update | - |
| article html file updated | 17 April 2019 19:16 CEST | Update | - |
| article html file updated | 28 March 2019 21:40 CET | Update | - |
| article html file updated | 14 March 2018 16:10 CET | Update | - |
| article html file updated | 7 February 2018 15:29 CET | Original file | - |
| article xml uploaded. | 7 February 2018 15:27 CET | Update | https://www.mdpi.com/1996-1073/11/2/388/xml |
| article xml uploaded. | 7 February 2018 15:27 CET | Original file | - |
| article pdf uploaded. | 7 February 2018 15:26 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/388/pdf |
