| article html file updated | 9 February 2020 14:37 CET | Update | https://www.mdpi.com/2304-8158/7/4/63 |
| article html file updated | 2 October 2019 19:31 CEST | Update | N/A |
| article html file updated | 1 May 2019 01:56 CEST | Update | N/A |
| article html file updated | 17 April 2019 02:30 CEST | Update | N/A |
| article html file updated | 29 March 2019 17:31 CET | Update | N/A |
| article html file updated | 1 May 2018 05:27 CEST | Update | N/A |
| article html file updated | 20 April 2018 09:30 CEST | Original file | N/A |
| article pdf uploaded. | 20 April 2018 09:29 CEST | Version of Record | https://www.mdpi.com/2304-8158/7/4/63/pdf |
| article xml uploaded. | 20 April 2018 09:29 CEST | Update | https://www.mdpi.com/2304-8158/7/4/63/xml |
| article xml file uploaded | 20 April 2018 09:29 CEST | Original file | N/A |
