| article html file updated | 7 February 2020 22:56 CET | Update | https://www.mdpi.com/1996-1073/10/2/191 |
| article html file updated | 23 September 2019 05:28 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:09 CEST | Update | N/A |
| article html file updated | 28 February 2017 10:30 CET | Update | N/A |
| article html file updated | 13 February 2017 04:05 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 04:04 CET | Update | https://www.mdpi.com/1996-1073/10/2/191/xml |
| article xml uploaded. | 13 February 2017 04:04 CET | Original file | N/A |
| article pdf uploaded. | 8 February 2017 17:14 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/191/pdf |
