| article html file updated | 7 February 2020 19:44 CET | Update | https://www.mdpi.com/2073-4360/8/12/433 |
| article html file updated | 22 September 2019 12:09 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:57 CEST | Update | N/A |
| article html file updated | 15 March 2019 10:35 CET | Update | N/A |
| article html file updated | 28 December 2016 08:04 CET | Update | N/A |
| article html file updated | 16 December 2016 09:37 CET | Original file | N/A |
| article xml uploaded. | 16 December 2016 09:36 CET | Original file | https://www.mdpi.com/2073-4360/8/12/433/xml |
| article pdf uploaded. | 16 December 2016 09:36 CET | Version of Record | https://www.mdpi.com/2073-4360/8/12/433/pdf |
