| article html file updated | 9 February 2020 06:46 CET | Update | https://www.mdpi.com/1996-1073/11/2/437 |
| article html file updated | 30 September 2019 20:08 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:09 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:28 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:36 CET | Update | N/A |
| article html file updated | 14 March 2018 16:25 CET | Update | N/A |
| article html file updated | 22 February 2018 09:01 CET | Original file | N/A |
| article xml uploaded. | 22 February 2018 09:00 CET | Update | https://www.mdpi.com/1996-1073/11/2/437/xml |
| article xml uploaded. | 22 February 2018 09:00 CET | Update | N/A |
| article xml uploaded. | 22 February 2018 09:00 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2018 09:00 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/437/pdf |
| article pdf uploaded. | 15 February 2018 10:53 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/437/pdf-vor |
