| article html file updated | 7 February 2020 23:50 CET | Update | https://www.mdpi.com/1996-1073/10/2/253 |
| article html file updated | 23 September 2019 10:26 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:22 CEST | Update | N/A |
| article html file updated | 28 February 2017 10:46 CET | Update | N/A |
| article html file updated | 21 February 2017 08:31 CET | Original file | N/A |
| article xml uploaded. | 21 February 2017 08:30 CET | Update | https://www.mdpi.com/1996-1073/10/2/253/xml |
| article xml uploaded. | 21 February 2017 08:30 CET | Original file | N/A |
| article pdf uploaded. | 21 February 2017 08:30 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/2/253/pdf |
| article pdf uploaded. | 20 February 2017 14:28 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/253/pdf-vor |
