function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R.', 90],
    ['Gadallah, N. S. & Ahmed, R. S. & Heneidy, A. H. El-', 1],
    ['Giovanni, Filippo Di & Scaramozzino, Pier Luigi & Loni, Augusto', 13],
    ['Han, Yuan-Yuan & Achterberg, Kees Van & Chen, Xue-Xin', 43],
    ['Horstmann, K.', 3],
    ['Kirichenko, Natalia I. & Akulov, Evgeny N. & Triberti, Paolo', 1],
    ['Kolarov, J.', 12],
    ['Madl, Michael & O, Tersilochinae.', 1],
    ['Moreno, Alejandra González - & Bordera, Santiago', 1],
    ['Riedel & Pénigot & Schwarz & Diller & Johansson & Japoshvili, G.', 12],
    ['Riedel, Matthias & Diller, Erich & Japoshvili, George', 1],
    ['Rousse, Pascal & Villemant, Claire', 1],
    ['Scaramozzino, Pier Luigi & Giovanni, Filippo Di & Loni, Augusto', 4],
    ['Walker, Francis', 2],
    ['Zhao, Yu-Xiang & Sheng, Mao-Ling', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=190)',
    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);