| article html file updated | 9 February 2020 06:32 CET | Update | https://www.mdpi.com/1996-1073/11/2/430 |
| article html file updated | 30 September 2019 18:43 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:40 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:56 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:06 CET | Update | N/A |
| article html file updated | 14 March 2018 16:24 CET | Update | N/A |
| article html file updated | 13 February 2018 15:16 CET | Original file | N/A |
| article xml uploaded. | 13 February 2018 15:14 CET | Update | https://www.mdpi.com/1996-1073/11/2/430/xml |
| article xml uploaded. | 13 February 2018 15:14 CET | Original file | N/A |
| article pdf uploaded. | 13 February 2018 15:14 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/430/pdf |
