| article html file updated | 11 February 2020 17:25 CET | Update | https://www.mdpi.com/2077-1312/7/2/51 |
| article html file updated | 15 October 2019 08:12 CEST | Update | - |
| article html file updated | 26 April 2019 13:53 CEST | Update | - |
| article html file updated | 12 April 2019 09:26 CEST | Update | - |
| article html file updated | 4 April 2019 00:11 CEST | Update | - |
| article html file updated | 4 March 2019 13:35 CET | Update | - |
| article html file updated | 1 March 2019 07:16 CET | Update | - |
| article html file updated | 20 February 2019 11:56 CET | Original file | - |
| article pdf uploaded. | 20 February 2019 11:54 CET | Version of Record | https://www.mdpi.com/2077-1312/7/2/51/pdf |
| article xml uploaded. | 20 February 2019 11:54 CET | Update | https://www.mdpi.com/2077-1312/7/2/51/xml |
| article xml file uploaded | 20 February 2019 11:54 CET | Original file | - |
