function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barton, Diane P. & Beaufrère, Charles & Justine, Jean-Lou', 1],
    ['Fan, Li-xian & Meng, Fei-yan & Bai, Jun-ping & Xu, Wei-jiang', 1],
    ['Gupta, S. P.', 1],
    ['Kamio, Yusuke & Nitta, Masato', 2],
    ['Kohn, Anna & Cohen, Simone C. & Salgado-Maldonado, Guillermo', 17],
    ['Lopes, Daniela A. & Mainenti, Adriana & Sanches, Magda', 12],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 7],
    ['Mendoza-Franco, Edgar F. & Tun, Mariela del Carmen Rosado', 23],
    ['Mendoza-Garfias, Berenit & García-Prieto, Luis', 95],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 2],
    ['Nguyen, Hung Manh & Nguyen, Ha Van & Tatonova, Yulia V.', 2],
    ['Payne, Raphael R.', 2],
    ['Sailaja, Bade & Shameem, Ummey & Madhavi, Rokkam', 4],
    ['Vidal-Martinez, Victor Manuel & Soler-Jimenez, Lilia Catherinne', 3],
    ['Öktener, Ahmet', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=180)',
    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);