| article html file updated | 9 February 2020 13:16 CET | Update | https://www.mdpi.com/2409-9279/1/2/13 |
| article html file updated | 1 May 2019 04:34 CEST | Update | - |
| article html file updated | 17 April 2019 04:51 CEST | Update | - |
| article html file updated | 29 March 2019 14:26 CET | Update | - |
| article html file updated | 20 April 2018 10:49 CEST | Update | - |
| article xml uploaded. | 20 April 2018 10:48 CEST | Update | https://www.mdpi.com/2409-9279/1/2/13/xml |
| article html file updated | 20 April 2018 10:47 CEST | Update | - |
| article pdf uploaded. | 20 April 2018 10:46 CEST | Updated version of record | https://www.mdpi.com/2409-9279/1/2/13/pdf |
| article html file updated | 10 April 2018 17:00 CEST | Original file | - |
