| article html file updated | 8 February 2020 01:30 CET | Update | https://www.mdpi.com/2073-4425/8/3/103 |
| article html file updated | 23 September 2019 19:58 CEST | Update | - |
| article html file updated | 4 May 2019 06:39 CEST | Update | - |
| article html file updated | 28 March 2017 11:58 CEST | Update | - |
| article html file updated | 15 March 2017 10:42 CET | Original file | - |
| article xml uploaded. | 15 March 2017 10:40 CET | Original file | https://www.mdpi.com/2073-4425/8/3/103/xml |
| article pdf uploaded. | 15 March 2017 10:40 CET | Version of Record | https://www.mdpi.com/2073-4425/8/3/103/pdf |
