function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andersen, Michael J. & Fatdal, Lilly & Mauck III, William M.', 1],
    ['Boano, Giovanni & Belemsobgo, Urbain & Silvano, Fabrizio', 1],
    ['Dean, W. Richard J. & Åhlander, Erik & Johansson, Ulf S.', 3],
    ['Frahnert, Sylke & Turner, Donald A. & Bracker, Cordula', 1],
    ['Johannessen, Lars Erik & Lifjeld, Jan T.', 1],
    ['Mary', 104],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 1],
    ['Najer, Tomas & Sychra, Oldrich & Hung, Nguyen Manh', 1],
    ['Vigors, Nicholas Aylward & Horsfield, Thomas', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=114)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);