| article html file updated | 9 February 2020 06:45 CET | Update | https://www.mdpi.com/1996-1073/11/2/435 |
| article html file updated | 30 September 2019 20:02 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:11 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:31 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:34 CET | Update | N/A |
| article html file updated | 14 March 2018 16:24 CET | Update | N/A |
| article html file updated | 22 February 2018 13:04 CET | Original file | N/A |
| article xml uploaded. | 22 February 2018 13:03 CET | Original file | https://www.mdpi.com/1996-1073/11/2/435/xml |
| article pdf uploaded. | 22 February 2018 13:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/435/pdf |
| article pdf uploaded. | 15 February 2018 08:09 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/435/pdf-vor |
