Section 1 - Overview of Pain 1: Sabina Bachtold, Enrique Collantes, Praveen Ganty, Yehia Kamel, Gustav Jirikowksi, Deepak Ravindran, Jan Rudiger, Alifia Tameem, and John Tanner: Types of Pain and Pain Assessment Section 2 - Pain Physiology 2: Enrique Collantes, Gustav Jirikowski, Paolo Pais, Deepak Ravindran, Jan Rudiger, and Maria Stasiowska: Pain Pathways 3: Ramy Mottaleb, Nofil Mulla, and Maria Stasiowska: Neurotransmitters and receptors 4: Bethany Fitzmaurice, Senthil Jayaseelan, Gustav Jirikowski, Sandeep Kapur, and Manish Mittal: Neurobiology of Pain Section 3 - Pharmacology 5: Nishi Patel and Kathleen Shelley: Basic Principles of Pharmacology 6: Enrique Collantes, Kavita Poply, and Jan Rudiger: Local anaesthetics 7: Enrique Collantes, Praveen Ganty, James Jack, Jonathan Norman, and Jan Rudiger: Opioids 8: Peter Keogh: Non-steroidal anti-inflammatory drugs and paracetamol 9: Mohammed Sajad and Alifia Tameem: Anticonvulsants 10: Hadi Bedran, Enrique Collantes, and Peter Keogh: Antidepressants 11: Hadi Bedran: Neurolytic agents 12: Sadiq Bhayani, Bethany Fitzmaurice, and Alifia Tameem: Corticosteroids 13: Hadi Bedran, Udaya Chakka, Bethany Fitzmaurice, Praveen Ganty, James Jack, Peter Keogh, Arumugam Pitchiah, Kavita Poply, Manamohan Rangaiah, Jan Rudiger, Maria Stasiowska, and Alifia Tameem: Miscellaneous 14: Sabina Bachtold, Rahul Guru, Katharine Howells, James Jack, Sandeep Kapur, Jan Rudiger: Clinical pharmacology Section 4 - Pain interventions 15: Adnan Al-Kaisy, Simon Braude, Enrique Collantes, Sumit Gulati, Ashok Puttapa, Jan Rudiger, Haggai Sharon, and Alifia Tameem: Overview of interventions 16: Ann-Katrin Fritz and Jan Rudiger: Head and Neck 17: Laura Beard, Mohamed Dorgham, Rahul Guru, Doug Stangoe, and Alifia Tameem: Thorax and abdomen 18: Sadiq Bhayani, Yehia Kamel, Bhavesh Raithatha, Jan Rudiger, and Tom Smith: Lumbar and pelvis 19: Ann-Katrin Fritz, Rahul Guru, Gustav Jirikowski, Bhavesh Raithatha, Subramanian Ramani, and Jan Rudiger: Autonomic nervous system 20: Sangeeta Das, Gustav Jirikowski, Yehia Kamel, Deepak Malik, Manish Mittal, Yin Yee Ng, Stefano Palmisani, David Pang, Jan Rudiger, Athmaja Thottungal: Spinal cord and neuromodulation 21: Erlick AC Perreira: Surgical techniques 22: Hadi Bedran, Sadiq Bhayani, Bill Clark, Llya Kantsedikas, Andrzej Krol, Attam Singh, and John Tanner: Miscellaneous interventions Section 5 - Clinical 23: Owen Bodycombe, Enrique Collantes, Mohammed Dorgham, Bethany Fitzmaurice, Rahul Guru, Yehia Kamel, Sandeep Kapur, Nofill Mulla, Paolo Pais, Arumugam Pitchiah, Shankar Ramaswamy, Jan Rudiger, Tom Smith , Athmaja Thottungal, and Ivan Wong: Musculoskeletal pain conditions 24: Sabina Bachtold, Owen Bodycombe, Sumit Gulati, Rajesh Gupta, Rahul Guru, Nofill Mulla, Ashok Puttapa, Erlick AC Perreira, , Jan Rudiger, Tom Smith, Kantaruby Tambirajoo, Alifia Tameem, Athmaja Thottungal: Neuropathic pain conditions 25: Sian Griffith: Rheumatological conditions 26: Enrique Collantes, Paolo Pais, Jan Rudiger, and Athmaja Thottungal: Visceral pain conditions 27: Enrique Collantes, Nofill Mulla, Kavita Poply: Widespread chronic pain 28: Enrique Collantes, Anthony Gubbay, Sumit Gulati, Sarah Harper, Tommy Lwin, Nofill Mulla, Paolo Pais, David Pang, Shankar Ramaswamy, Jan Rudiger, Kantaruby Tambirajoo, Victoria Winter, and Ivan Wong: Other pain conditions Section 6 - Cancer and Pain 29: Kasia Chmiel, Mahesh Choudhari, Alix Dumitrescu, Yehia Kamel, Ashok Puttapa, and Alifia Tameem: Cancer and Pain Section 7 - Psychology of pain medicine 30: Sabina Bachtold, Caroline Burrow, Rahul Guru, and Karen LeMarchand: Psychology and Pain Section 8 - Physiotherapy and Occupational Therapy 31: Rebecca Pardoe and Fiona Thomas: Physiotherapy and Occupational Therapy Section 9 - Epidemiology & Statistics 32: Sabina Bachtold, D. Pang, and Alifia Tameem: Epidemiology & Statistics