| article html file updated | 7 February 2020 23:17 CET | Update | https://www.mdpi.com/1996-1073/10/2/214 |
| article html file updated | 23 September 2019 07:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:27 CEST | Update | N/A |
| article html file updated | 28 February 2017 10:36 CET | Update | N/A |
| article html file updated | 13 February 2017 13:48 CET | Original file | N/A |
| article xml uploaded. | 13 February 2017 13:47 CET | Update | https://www.mdpi.com/1996-1073/10/2/214/xml |
| article xml uploaded. | 13 February 2017 13:46 CET | Original file | N/A |
| article pdf uploaded. | 13 February 2017 13:46 CET | Version of Record | https://www.mdpi.com/1996-1073/10/2/214/pdf |
