| article html file updated | 9 February 2020 06:01 CET | Update | https://www.mdpi.com/1996-1073/11/2/400 |
| article html file updated | 30 September 2019 15:45 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:49 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:56 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:02 CET | Update | N/A |
| article html file updated | 14 March 2018 16:15 CET | Update | N/A |
| article html file updated | 9 February 2018 08:10 CET | Original file | N/A |
| article xml uploaded. | 9 February 2018 08:09 CET | Original file | https://www.mdpi.com/1996-1073/11/2/400/xml |
| article pdf uploaded. | 9 February 2018 08:09 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/400/pdf |
