| article html file updated | 11 February 2020 08:48 CET | Update | https://www.mdpi.com/2227-7390/7/1/81 |
| article html file updated | 13 October 2019 08:18 CEST | Update | N/A |
| article html file updated | 27 April 2019 06:52 CEST | Update | N/A |
| article html file updated | 13 April 2019 02:59 CEST | Update | N/A |
| article html file updated | 3 April 2019 03:11 CEST | Update | N/A |
| article html file updated | 29 January 2019 09:46 CET | Update | N/A |
| article html file updated | 15 January 2019 02:05 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2019 14:26 CET | Version of Record | https://www.mdpi.com/2227-7390/7/1/81/pdf |
| article xml uploaded. | 14 January 2019 14:26 CET | Update | https://www.mdpi.com/2227-7390/7/1/81/xml |
| article xml file uploaded | 14 January 2019 14:26 CET | Original file | N/A |