function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R.', 20],
    ['Broad, Gavin R. & Shaw, Mark R.', 12],
    ['FERNÁNDEZ-TRIANA, JOSÉ L.', 24],
    ['Gadallah, Neveen S. & Soliman, Ahmed M. & Rousse, Pascal', 24],
    ['Johansson, Niklas', 8],
    ['Johansson, Niklas & Ameri, Ali & Riedel, Matthias', 20],
    ['Kolarov, J.', 8],
    ['Madl, Michael & O, Tersilochinae.', 11],
    ['Moreno, Alejandra González - & Bordera, Santiago', 9],
    ['Perkins, Robert Cyril Layton', 5],
    ['Pham, Nhi Thi & Pham, Phu Van & Matsumoto, Rikio & Shimizu, So', 83],
    ['Riedel & Pénigot & Schwarz & Diller & Johansson & Japoshvili, G.', 6],
    ['Rousse, Pascal & Villemant, Claire', 13],
    ['Shimizu, So', 36],
    ['Shimizu, So & Broad, Gavin R. & Maeto, Kaoru', 48],
    ['Other (11)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=346)',
    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);