function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Anil Raj, K. N. & Deepna Latha, K. P. & Paramban, Raihana', 2],
    ['Antonín, Vladimír & Benedek, Imre Rimóczi Lajos & Papp, Viktor', 2],
    ['Ayala-Vásquez, Olivia', 1],
    ['Filippova, Nina & Zvyagina, Elena & Rudykina, Elena', 12],
    ['Ge, Zai-Wei & Wu, Jian-Yun & Hao, Yan-Jia & Zhang, Qingying', 3],
    ['Jarvis, Charlie', 2],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 13],
    ['Liu, Li-Rong & Wang, Geng-Shen & Jia, Liu-Kun & Kang, Ju-Qing', 1],
    ['Mao, Ning & Lv, Jing-Chong & Zhao, Tao-Yu & Fan, Li', 2],
    ['Mao, Ning & Xu, Yu-Yan & Fan, Li', 4],
    ['Peck, Stewart B. & Gnaspini, Pedro & Newton, Alfred F.', 1],
    ['Pei, Ying & Guo, Hong-Bo & Liu, Tie-Zhi & Qin, Wei-Qiang', 3],
    ['Zambrano-Forero, Cristian J & Davila-Giraldo, Lina R', 7],
    ['Zhao, Zhen-Xi & Song, Jia-Ge & Senanayake, Indunil C.', 2],
    ['de la Fuente, Javier Isaac & García-Jiménez, Jesús', 2],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=59)',
    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);