| article html file updated | 11 February 2020 20:35 CET | Update | https://www.mdpi.com/2076-0752/8/1/34 |
| article html file updated | 16 October 2019 04:49 CEST | Update | - |
| article html file updated | 26 April 2019 06:43 CEST | Update | - |
| article html file updated | 12 April 2019 02:01 CEST | Update | - |
| article html file updated | 4 April 2019 08:49 CEST | Update | - |
| article html file updated | 2 April 2019 11:53 CEST | Update | - |
| article html file updated | 7 March 2019 07:05 CET | Original file | - |
| article pdf uploaded. | 7 March 2019 07:04 CET | Version of Record | https://www.mdpi.com/2076-0752/8/1/34/pdf |
| article xml uploaded. | 7 March 2019 07:04 CET | Update | https://www.mdpi.com/2076-0752/8/1/34/xml |
| article xml file uploaded | 7 March 2019 07:04 CET | Original file | - |
