| article html file updated | 10 February 2020 03:35 CET | Update | https://www.mdpi.com/2076-0752/7/3/31 |
| article html file updated | 29 April 2019 21:54 CEST | Update | - |
| article html file updated | 15 April 2019 16:56 CEST | Update | - |
| article html file updated | 31 March 2019 01:49 CET | Update | - |
| article html file updated | 25 September 2018 11:55 CEST | Update | - |
| article html file updated | 31 July 2018 08:12 CEST | Update | - |
| article html file updated | 31 July 2018 07:45 CEST | Update | - |
| article html file updated | 30 July 2018 12:52 CEST | Original file | - |
| article pdf uploaded. | 30 July 2018 12:40 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/3/31/pdf |
| article xml uploaded. | 30 July 2018 12:40 CEST | Update | https://www.mdpi.com/2076-0752/7/3/31/xml |
| article xml file uploaded | 30 July 2018 12:40 CEST | Original file | - |
