| article html file updated | 9 March 2020 04:43 CET | Update | https://www.mdpi.com/2076-0760/8/2/56 |
| article xml uploaded. | 9 March 2020 04:42 CET | Update | https://www.mdpi.com/2076-0760/8/2/56/xml |
| article pdf uploaded. | 9 March 2020 04:42 CET | Updated version of record | https://www.mdpi.com/2076-0760/8/2/56/pdf |
| article html file updated | 11 February 2020 16:11 CET | Update | - |
| article html file updated | 15 October 2019 00:44 CEST | Update | - |
| article html file updated | 26 April 2019 16:29 CEST | Update | - |
| article html file updated | 12 April 2019 12:18 CEST | Update | - |
| article html file updated | 3 April 2019 20:52 CEST | Update | - |
| article html file updated | 1 March 2019 01:04 CET | Update | - |
| article html file updated | 15 February 2019 08:15 CET | Original file | - |
| article pdf uploaded. | 15 February 2019 08:12 CET | Version of Record | https://www.mdpi.com/2076-0760/8/2/56/pdf-vor |
| article xml uploaded. | 15 February 2019 08:12 CET | Update | - |
| article xml file uploaded | 15 February 2019 08:12 CET | Original file | - |