1. Department of Applied Statistics; Operational Research, and Quality; Universitat Politècnica de València (Campus d'Alcoi); Alicante CP 03801 Spain
2. Colour and Vision Department, University of Alicante; Carretera San Vicente del Raspeig s/n; San Vicente del Raspeig; Alicante 03690 Spain
3. Department of Physical and Colloid Chemistry; Gubkin Russian State University of Oil and Gas; 65 Leninsky Prospekt Moscow 119991 Russia
4. Institute of Fundamental Medicine and Biology; Kazan Federal University; Kazan Republic of Tatarstan 420000 Russia
5. Institute for Micromanufacturing; Louisiana Tech University; 911 Hergot Ave. Ruston LA 71272 USA