| article html file updated | 9 February 2020 18:25 CET | Update | https://www.mdpi.com/2076-3921/7/5/68 |
| article html file updated | 3 October 2019 19:24 CEST | Update | N/A |
| article html file updated | 30 April 2019 18:04 CEST | Update | N/A |
| article html file updated | 16 April 2019 18:31 CEST | Update | N/A |
| article html file updated | 30 March 2019 02:57 CET | Update | N/A |
| article html file updated | 30 May 2018 11:50 CEST | Update | N/A |
| article html file updated | 21 May 2018 11:07 CEST | Original file | N/A |
| article pdf uploaded. | 21 May 2018 11:06 CEST | Version of Record | https://www.mdpi.com/2076-3921/7/5/68/pdf |
| article xml uploaded. | 21 May 2018 11:06 CEST | Update | https://www.mdpi.com/2076-3921/7/5/68/xml |
| article xml file uploaded | 21 May 2018 11:06 CEST | Original file | N/A |
