function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abotsi, Komla Elikplim & Kokou, Kouami & Dubuisson, Jean-Yves', 2],
    ['Arana, Marcelo D.', 2],
    ['Boudrie, Michel & Cremers, Georges & Øllgaard, Benjamin', 16],
    ['Carmes, Amanda Angélica & Dechoum, Michele de Sá', 1],
    ['Chen, Ronglian & Zhang, Faqi & Chen, Shilong & Chi, Xiaofeng', 8],
    ['Field, Ashley Raymond', 4],
    ['Kessler, Michael & Smith, Alan R. & Øllgaard, Benjamin', 2],
    ['Kiew, Ruth & Kamin, Imin', 3],
    ['Matos, Fernando B. & Bohn, Amabily & Labiak, Paulo H.', 1],
    ['Rouhan, Germinal & Boullet, Vincent & Field, Ashley', 1],
    ['Tran Thai Vinh & Hoang Nghia & Tien Chinh Vu & Le Ngoc Trieu', 2],
    ['Zhou, Ya-Dong & Mwachala, Geoffrey & Hu, Guang-Wan', 1],
    ['Øllgaard, Benjamin', 118],
    ['Øllgaard, Benjamin & Testo, Weston', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=195)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);