| article html file updated | 9 February 2020 06:15 CET | Update | https://www.mdpi.com/2073-4360/10/2/171 |
| article html file updated | 30 September 2019 17:03 CEST | Update | - |
| article html file updated | 1 May 2019 19:18 CEST | Update | - |
| article html file updated | 17 April 2019 18:30 CEST | Update | - |
| article html file updated | 28 March 2019 22:31 CET | Update | - |
| article html file updated | 14 March 2018 11:05 CET | Update | - |
| article html file updated | 26 February 2018 04:20 CET | Update | - |
| article xml uploaded. | 26 February 2018 04:18 CET | Update | https://www.mdpi.com/2073-4360/10/2/171/xml |
| article xml uploaded. | 26 February 2018 04:18 CET | Update | - |
| article pdf uploaded. | 26 February 2018 04:18 CET | Updated version of record | https://www.mdpi.com/2073-4360/10/2/171/pdf |
| article html file updated | 10 February 2018 14:05 CET | Original file | - |
| article xml uploaded. | 10 February 2018 14:04 CET | Original file | - |
| article pdf uploaded. | 10 February 2018 14:04 CET | Version of Record | https://www.mdpi.com/2073-4360/10/2/171/pdf-vor |
