function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdinbekova, Arifa & Huseynova, Ellada & Kerimova, Ilhama', 1],
    ['Belokobylskij, S. A. & Ku, D. - S.', 1],
    ['Belokobylskij, Sergey A. & Achterberg, Cornelis Van', 2],
    ['Belokobylskij, Sergey A. & Ku, Deok-Seo', 16],
    ['Belokobylskij, Sergey A. & Kula, Robert R.', 2],
    ['Beyarslan, Ahmet', 7],
    ['Broad, Gavin R. & Shaw, Mark R. & Godfray, H. Charles J.', 6],
    ['Chiletto, Bo. & Penteado-Dias, Am.', 14],
    ['Kula, Robert R.', 3],
    ['Marsh, Paul M. & Wild, Alexander L. & Whitfield, James B.', 281],
    ['Martínez, Juan José & Diez, Fernando', 2],
    ['Tang, Pu & Belokobylskij, Sergey A. & He, Jun-Hua', 31],
    ['Viereck, H. L.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=367)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);