| article html file updated | 7 February 2020 23:03 CET | Update | https://www.mdpi.com/1996-1073/10/2/201 |
| article html file updated | 23 September 2019 06:09 CEST | Update | - |
| article html file updated | 4 May 2019 11:54 CEST | Update | - |
| article html file updated | 28 February 2017 10:33 CET | Update | - |
| article html file updated | 10 February 2017 12:44 CET | Original file | - |
| article xml uploaded. | 10 February 2017 12:42 CET | Original file | https://www.mdpi.com/1996-1073/10/2/201/xml |
| article pdf uploaded. | 10 February 2017 12:42 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/2/201/pdf |
| article pdf uploaded. | 10 February 2017 10:14 CET | Version of Record | - |
