function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Baixeras, Joaquín & Karsholt, Ole', 58],
    ['Bernard Landry', 76],
    ['Bidzilya, Oleksiy & Budashkin, Yuriy & Yepishin, Viktor', 22],
    ['Garre, Manuel J. & Girdley, John & Guerrero, Juan J', 137],
    ['Gumhalter, Danijela & Kučinić, Mladen & Šašić, Martina', 53],
    ['Mbata, Keith J. & Prins, Jurate De', 45],
    ['Meyrick, Edward', 19],
    ['Ranjan, Rahul & Singh, Navneet & Kirti, Jagbir Singh', 64],
    ['Rong, Hua & Wang, Yiping & Qi, Mujie & Li, Houhun', 19],
    ['Sinev, Sergey Yu. & Korb, Stanislav K.', 118],
    ['Singh, Navneet & Kirti, Jagbir Singh & Ranjan, Rahul', 19],
    ['Singh, Navneet & Ranjan, Rahul & Talukdar, Avishek', 590],
    ['Tsvetkov, Eugene', 78],
    ['Yang, Linlin & Ren, Yingdang', 23],
    ['Yepishin, Viktor & Khalaim, Yevhenii & Budashkin, Yuriy', 18],
    ['Other (116)', 472]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1811)',
    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);