| article html file updated | 9 February 2020 02:20 CET | Update | https://www.mdpi.com/1996-1073/11/1/148 |
| article html file updated | 29 September 2019 18:05 CEST | Update | N/A |
| article html file updated | 2 May 2019 03:45 CEST | Update | N/A |
| article html file updated | 18 April 2019 01:52 CEST | Update | N/A |
| article html file updated | 28 March 2019 13:52 CET | Update | N/A |
| article html file updated | 1 February 2018 13:28 CET | Update | N/A |
| article html file updated | 8 January 2018 14:30 CET | Original file | N/A |
| article xml uploaded. | 8 January 2018 14:28 CET | Original file | https://www.mdpi.com/1996-1073/11/1/148/xml |
| article pdf uploaded. | 8 January 2018 14:28 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/148/pdf |
