| article html file updated | 11 February 2020 12:34 CET | Update | https://www.mdpi.com/2220-9964/8/2/67 |
| article html file updated | 14 October 2019 04:28 CEST | Update | N/A |
| article html file updated | 26 April 2019 23:26 CEST | Update | N/A |
| article html file updated | 12 April 2019 19:19 CEST | Update | N/A |
| article html file updated | 3 April 2019 12:13 CEST | Update | N/A |
| article html file updated | 1 March 2019 11:10 CET | Update | N/A |
| article html file updated | 30 January 2019 10:37 CET | Original file | N/A |
| article pdf uploaded. | 30 January 2019 10:35 CET | Version of Record | https://www.mdpi.com/2220-9964/8/2/67/pdf |
| article xml uploaded. | 30 January 2019 10:35 CET | Update | https://www.mdpi.com/2220-9964/8/2/67/xml |
| article xml file uploaded | 30 January 2019 10:35 CET | Original file | N/A |