function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alavi, Jalil', 1],
    ['Alavi, Jalil & Awal, Mehdi Modarres & Fekrat, Lida', 6],
    ['Alavi, Jalil & Minaei, Kambiz', 7],
    ['Borges, Paulo A. V. & Gaspar, Clara', 4],
    ['Li, Yajin & Elie, Ntirenganya & Liu, Hui & Zhang, Hongrui', 9],
    ['Liu, Hui & Mound, Laurence & Zhang, Hongrui', 4],
    ['Masumoto, Masami & Okajima, Shûji', 17],
    ['Minaei, Kambiz', 4],
    ['Minaei, Kambiz & Mound, Laurence', 3],
    ['Mirab-balou, M.', 33],
    ['Mound, Laurence & Cavalleri, Adriano & O’Donnell, Cheryle', 5],
    ['Mound, Laurence A. & Reynaud, Philippe', 15],
    ['Pereyra, Veronica & Borbón, Carlos Manuel De', 11],
    ['Rasool, Iftekhar & Alattal, Yehya Zaki & Aldhafer, Hathal M.', 16],
    ['Vierbergen, Gijsbertus', 2],
    ['Other (11)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=148)',
    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);