function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ali, Muhammad & Ahmed, Khalil & Ali, Shaukat & Raza, Ghulam', 1],
    ['Ali, Muhammad & Raza, Ghulam & Ali, Shaukat & Anjum, Syed Istiaq', 1],
    ['Ansi, Amin Al & Alkhalaf, Areej A. & Fadl, Hassan', 1],
    ['Biranvand, Amir & Nedvěd, Oldřich & Tomaszewska, Wioletta', 4],
    ['Coutanceau, Jean-Pierre', 1],
    ['Gonzalez, Guillermo & Cotoras, Darko D. & Grez, Audrey A.', 4],
    ['Hicks, Barry & Majka, Christopher G. & Moores, Shelley Pardy', 1],
    ['Hounkpati, Kwevitoukoui & McHugh, Joseph V. & Niang, Abdoul Aziz', 1],
    ['Majka, Christopher G. & Mccorquodale, David B.', 2],
    ['Mulsant, E.', 1],
    ['Najajrah, Mohammad H. & Swaileh, Khalid M. & Qumsiyeh, Mazin B.', 1],
    ['Nattier, Romain & Jourdan, Hervé & Mille, Christian', 2],
    ['POORANI, J.', 18],
    ['Poorani, J. & Booth, Roger G', 2],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);