| article html file updated | 7 February 2020 22:11 CET | Update | https://www.mdpi.com/1996-1073/10/2/154 |
| article html file updated | 23 September 2019 01:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:40 CEST | Update | N/A |
| article html file updated | 28 February 2017 10:22 CET | Update | N/A |
| article html file updated | 25 January 2017 08:30 CET | Original file | N/A |
| article xml uploaded. | 25 January 2017 08:28 CET | Update | https://www.mdpi.com/1996-1073/10/2/154/xml |
| article xml uploaded. | 25 January 2017 08:28 CET | Original file | N/A |
| article pdf uploaded. | 25 January 2017 08:28 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/154/pdf |
