function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Blakemore, Robert & Kupriyanova, Elena & Grygier, Mark', 3],
    ['Blakemore, Robert J. & Cho, Joo-Lae & Park, Tae Seo', 1],
    ['Csuzdi, Csaba', 2],
    ['James, Samuel W. & Gamiette, Franciane', 1],
    ['Kharkongor, Ilona J.', 7],
    ['Misirlioğlu, Mete & Reynolds, John Warren & Stojanović, Mirjana', 1],
    ['Narayanan, S. Prasanth & Paliwal, R. & Ahmed, Shakoor', 1],
    ['Narayanan, S. Prasanth & Sathrumithra, S. & Anuja, R.', 10],
    ['Narayanan, S. Prasanth & Sathrumithra, S. & Christopher, G.', 9],
    ['Nguyen, Tung T. & Nguyen, Anh D. & Tran, Binh T. T.', 6],
    ['Shen, Huei-Ping & Chang, Chih-Han & Chih, Wen-Jay', 5],
    ['Tiwari, Nalini & Paliwal, R. & Rashid, Azhar & Yadav, Shweta', 17],
    ['Tsai, Chu-Fa & Shen, Huei-Ping & Tsai, Su-Chen & Lin, Kang-Jieh', 1],
    ['Zhang, Wei-Xin & Li, Jian-Xiong & Qiu, Jiang-Ping', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=65)',
    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);