| article html file updated | 9 February 2020 11:08 CET | Update | https://www.mdpi.com/2220-9964/7/4/132 |
| article html file updated | 1 October 2019 22:42 CEST | Update | - |
| article html file updated | 1 May 2019 09:00 CEST | Update | - |
| article html file updated | 17 April 2019 08:55 CEST | Update | - |
| article html file updated | 29 March 2019 09:31 CET | Update | - |
| article html file updated | 1 May 2018 03:54 CEST | Update | - |
| article html file updated | 24 March 2018 10:18 CET | Original file | - |
| article xml uploaded. | 24 March 2018 10:16 CET | Update | https://www.mdpi.com/2220-9964/7/4/132/xml |
| article pdf uploaded. | 24 March 2018 10:16 CET | Version of Record | https://www.mdpi.com/2220-9964/7/4/132/pdf |
