function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Kandari, Manal & Polikarpov, Igor & Nithyanandan, Manickam', 8],
    ['Azman, B. A. R. & Othman, B. H. R.', 1],
    ['Horton, Tammy', 1],
    ['Ii, A. Kaièm-Malka', 2],
    ['King, Rachael A.', 3],
    ['Momtazi, Farzaneh', 4],
    ['Myers, A. A.', 1],
    ['Myers, Alan A.', 1],
    ['Poore, Gary C. B. & Lowry, James K.', 7],
    ['Rousou, Maria & Plaiti, Wanda & Lowry, Jim', 2],
    ['Soliman, Yousria & Wicksten, Mary', 1],
    ['Souza-Filho, J. F. & Souza, A. M. T. & Valério-Berardo, M. T.', 6],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 6],
    ['Valério-Berardo, Maria Teresa', 9],
    ['Valério-Berardo, Maria Teresa & -, Yoko Wakabara', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=54)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);