| article html file updated | 9 February 2020 05:01 CET | Update | https://www.mdpi.com/2220-9964/7/2/45 |
| article html file updated | 30 September 2019 09:29 CEST | Update | N/A |
| article html file updated | 1 May 2019 22:06 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:52 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:49 CET | Update | N/A |
| article html file updated | 14 March 2018 14:48 CET | Update | N/A |
| article html file updated | 31 January 2018 13:14 CET | Original file | N/A |
| article xml uploaded. | 31 January 2018 13:13 CET | Update | https://www.mdpi.com/2220-9964/7/2/45/xml |
| article xml uploaded. | 31 January 2018 13:13 CET | Original file | N/A |
| article pdf uploaded. | 31 January 2018 13:13 CET | Version of Record | https://www.mdpi.com/2220-9964/7/2/45/pdf |
