There are several types of delusions:

• Erotomania: a belief that someone of important status is secretly in love with him or her
• Grandiosity: a belief that one possesses special roles or have a special relationship with important figures         
• Jealousy: a firm belief that one's spouse or partner is unfaithful
• Persecutory: a fixed belief that one is under persecution or monitoring
• Somatic: a fixed belief about health problems, bodily infestation, deformity or odour despite medical reassurance
  

• Professor Roger Ho
• Dr Celine Wong
• Dr Chee Tji Tjian
• Dr Ganesh Kudva Kundadak
  
• Dr Luke Hong
  
• Dr Soo Shuenn Chiang