| article html file updated | 9 February 2020 06:16 CET | Update | https://www.mdpi.com/2220-9964/7/2/62 |
| article html file updated | 30 September 2019 17:15 CEST | Update | - |
| article html file updated | 1 May 2019 19:13 CEST | Update | - |
| article html file updated | 17 April 2019 18:26 CEST | Update | - |
| article html file updated | 28 March 2019 22:34 CET | Update | - |
| article html file updated | 14 March 2018 14:55 CET | Update | - |
| article html file updated | 11 February 2018 08:58 CET | Original file | - |
| article xml uploaded. | 11 February 2018 08:57 CET | Update | https://www.mdpi.com/2220-9964/7/2/62/xml |
| article xml uploaded. | 11 February 2018 08:57 CET | Original file | - |
| article pdf uploaded. | 11 February 2018 08:57 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/62/pdf |
