| article html file updated | 9 February 2020 06:56 CET | Update | https://www.mdpi.com/1996-1073/11/2/444 |
| article html file updated | 30 September 2019 21:05 CEST | Update | - |
| article html file updated | 1 May 2019 17:48 CEST | Update | - |
| article html file updated | 17 April 2019 17:08 CEST | Update | - |
| article html file updated | 28 March 2019 23:57 CET | Update | - |
| article html file updated | 14 March 2018 16:26 CET | Update | - |
| article html file updated | 23 February 2018 07:39 CET | Original file | - |
| article xml uploaded. | 23 February 2018 07:37 CET | Update | https://www.mdpi.com/1996-1073/11/2/444/xml |
| article xml uploaded. | 23 February 2018 07:37 CET | Update | - |
| article xml uploaded. | 17 February 2018 06:19 CET | Update | - |
| article xml uploaded. | 17 February 2018 06:19 CET | Original file | - |
| article pdf uploaded. | 17 February 2018 06:19 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/444/pdf |
