| article html file updated | 9 February 2020 19:40 CET | Update | https://www.mdpi.com/2079-6412/8/6/209 |
| article html file updated | 4 October 2019 02:54 CEST | Update | N/A |
| article html file updated | 30 April 2019 15:13 CEST | Update | N/A |
| article html file updated | 16 April 2019 15:46 CEST | Update | N/A |
| article html file updated | 30 March 2019 06:07 CET | Update | N/A |
| article html file updated | 25 June 2018 12:04 CEST | Update | N/A |
| article html file updated | 31 May 2018 10:37 CEST | Original file | N/A |
| article pdf uploaded. | 31 May 2018 08:18 CEST | Version of Record | https://www.mdpi.com/2079-6412/8/6/209/pdf |
| article xml uploaded. | 31 May 2018 08:18 CEST | Update | https://www.mdpi.com/2079-6412/8/6/209/xml |
| article xml file uploaded | 31 May 2018 08:18 CEST | Original file | N/A |
